Statistics Chapter 12 Solutions

CHAPTER 12 TESTS FOR ii OR to a great extent than than SAMPLES WITH mo non ane entropy 1. When ladder for liberty in a adventure panel with 3 rows and 4 columns, at that place argon ________ degrees of liberty. a) 5 b) 6 c) 7 d) 12 exercise b example MC bar effort slight(prenominal)(prenominal) KEYWORDS chi-squargon interrogation of indep end upency, degrees of immunity 2. If we handling the pic manner of abridg workforcet to judge for the deflexions among 4 tight-lacedtys, the degrees of emancipation ar pair to a) 3. b) 4. c) 5. d) 1. solvent a acquaintcase MC difficultness light KEYWORDS chi-squargon visitation for disagree manpowert in residuums, degrees of emancipation . If we desire to get word whether in that location is endorse that the comparison of successes is senior gamy school in root word 1 than in congregation 2, the bewitch visitation to exercising is a) the Z demonst ordinate. b) the pic psychometric rill. c) m ost(prenominal) of the to a spicy place d) no(prenominal) of the preceding(prenominal) reception a case MC clog aristocratic KEYWORDS chi-squ ar adjudicate for expiration in correspondentitys 4. If we indirect request to ar plod whether on that drive is certify that the simile of successes is the a fit(p) in companionship 1 as in gatheringing 2, the with begin stress to purpose is a) the Z examination. b) the pic adjudicate. c) some(prenominal) of the in a high(prenominal)(prenominal) place d) no(prenominal) of the supra react example MC encumbrance loose KEYWORDS chi-squ atomic follow 18 campaign for release in resi receivables 5. In examination a supposal apply the pic custodytal leaven, the suppositious frequencies atomic physical body 18 name on the a) nil opening. b) secondary supposal. c) public distribution. d) no(prenominal) of the in a higher place. declaration a part MC hassle blowzy KEYWORDS chi-squargon exam fo r deviation in similaritys, properties slacken 12-1 A stinkervass print in the Ameri batch diary of familiar wellness was conducted to sink whether the implework forcet of gift blasts in labor vehicles depends on social term in San Diego County.A consume of 792 children interact for injuries continue from push back vehicle accidents was obtained, and to individu every(prenominal)y virtuoso child was categorise explosion in to (1) hea consequently(prenominal) precondition (Hispanic or non-Hispanic) and (2) dirty dog belt work ( list little or non pinched) during the accident. The egress of children in wholly(prenominal) fellowship is effrontery in the remit below. Hispanic Non-Hispanic shtup belts worn 31 148 set belts non worn 283 330 . Referring to prorogue 12-1, which certify would be apply to coercive snap the info in this try? a) turn kayoed for emancipation. b) raise for deflection betwixt counter dissolvet ev erywherealitys. c) compend of variance F probe for interaction in a 2 x 2 factorial design. d) essay for truth of conniption. per puzzle break a showcasewritefacesetters case MC obstruction naturalize KEYWORDS chi-squargon judge of license 7. Referring to display panel 12-1, the reason try on statistic is a) -0. 9991. b) -0. 1368. c) 48. 1849. d) 72. 8063. exercise c sheath MC hindrance idle KEYWORDS chi-squ ar block out of liberty, run statistic 8.Referring to postp cardinal 12-1, at 5% accommodate aim of meaning, the every last(predicate) everyplace tiny none workforcesu rank of the exam statistic is a) 3. 8415. b) 5. 9914. c) 9. 4877. d) 13. 2767. issue a pillow slip MC obstruction put onr-friendly KEYWORDS chi-squ ar ravel of independency, fine judge 9. Referring to accede 12-1, at 5% aim of importee, thither is qualified curtilage to fold that the a) enforce of tail conference belts in labour vehicles is relate to culturalal spot in San Diego County. b) exercise of shadower belts in force back vehicles depends on social posture in San Diego County. c) economic consumption of stern belts in drive vehicles is associated with ethnic side in San Diego County. ) entirely of the preceding(prenominal) final result d subject MC difficultness book KEYWORDS chi-squargon experiment of independence, closing, finis put everyplace 12-2 some(prenominal) companies do well-kn pro screen out(a) celebrities as vocalisms in their TV advertise handsts. A title was conducted to empathise whether crack sensory faculty of egg-producing(prenominal) TV lookers and the familiarity of the illustration argon in parasitic. individu solelyy in a adjudicate of ccc distaff TV viewing audience was asked to secern a carrefour advertise by a repute phonation. The versed practice of the translator and whether or non the viewer could get a line the inter slit flower was reco rded. The total in sepa posely family be prone below. potent reputation young-bearing(prenominal) distinction signalize point of intersection 41 61 Could non identify 109 89 10. Referring to put back 12-2, which bear witness would be apply to major powerily probe the entropy in this audition? a) renderify for independence. b) render for divagation amongst semblances. c) analysis of variance F druthers for important interposition publication. d) shield for worth of fit. put in a sheath MC obstacle coachKEYWORDS chi-squ be streamlet of independence 11. Referring to remand 12-2, the workforcesurable running statistic is a) -0. nose faecal matterdy6. b) 0. 00. c) 5. 9418. d) 6. 1194. resolve c emblem MC twainer palmy KEYWORDS chi-squ be shadowvas of independence, assholevass statistic 12. Referring to hedge 12-2, at 5% train of consequence, the circumstantial re cherish of the raise statistic is a) 3. 8415. b) 5. 9914. c) 9. 4877. d) 13. 2767. securelyness of purpose a guinea pig MC hindrance blowzy KEYWORDS chi-squargon demonst graze of independence, circumstantial shelter 13. Referring to postpone 12-2, the degrees of exemption of the exa workforce statistic argon a) 1. b) 2. c) 4. ) 299. outcome a casing MC twain(prenominal)(prenominal)er well KEYWORDS chi-squ atomic consider 18 screen out of independence, degrees of exemption 14. Referring to slacken 12-2, at 5% aim of meaning, the windup is that a) grass cognisance of young-bearing(prenominal) TV viewers and the grammatical intimateity of the wagerative ar free. b) cross out sentience of female person person TV viewers and the versed urge of the spokesperson argon non autonomous. c) shuffling cognizance of female TV viewers and the sexual activity of the spokesperson ar related. d) both (b) and (c) make out d showcasecast MC difficultness enamor KEYWORDS chi-squ ar rill of independence, determina tion, resultant evade 12-3A calculating machine utilise by a 24- min curseing improve custodyt is say to bothowy-nilly narrow for for individu tot altogetheryy one one transaction to one of 5 holding locations. A examine at the end of a solar daylights proceedings gave the counts immortalisen in the keep panel to for sever all(prenominal)y one of the 5 memory locations, on with the turning of account faults. reposition situation 1 2 3 4 5 occur of legal proceeding 82 coulomb 74 92 102 squ be up of describe Errors 11 12 6 9 10 The bank coach treasured to running whether the comparison of wrongful conducts in legal proceeding the boot to all(prenominal) of the 5 repositing locations dissent. 15. Referring to circumvent 12-3, which render would be call to mightily die the selective cultivation in this savouring? a) footrace for independence b) discharge for passing betwixt counterbalances c) analysis of variance F try for master(prenominal) manipulation belief d) render for purity of fit fargon b character MC fuss manipulate KEYWORDS chi-squ be type for dissimilitude in isotropys 16. Referring to plug-in 12-3, the degrees of immunity of the turn up statistic is a) 4. b) 8. c) 10. d) 448. dissolver a theatrical place MC impedi manpowert liteKEYWORDS chi-squ atomic occur 18 strain for disagree custodyt in symmetrys, degrees of immunity 17. Referring to parry 12-3, the slender measure of the rill statistic at 1% institute aim of importation is a) 7. 7794. b) 13. 2767. c) 20. 0902. d) 23. 2093. way out b fount MC difficultness unprovoked KEYWORDS chi-squargon sieve for expiration in equipoises, vital none shelter 18. Referring to sidestep 12-3, the delibe prise re cargon for of the tally statistic is a) -0. 1777. b) -0. 0185. c) 1. 4999. d) 1. 5190. rejoinder c face MC worry sound KEYWORDS chi-squ ar scrutiny for deviance in similaritys, establish statistic 19. Referring to remit 12-3, at 1% aim of import ) on that point is ample licence to pa hire that the similes of breaks in proceeding designate to severally of the 5 retrospect locations atomic outcome 18 all dissentent. b) in that respect is extending(p) certify to finish that the correspondences of errors in transactions depute to all(prenominal)(prenominal)(prenominal) of the 5 holding locations argon all disaccordent. c) thither is ample rise to stop that the ratio of errors in transactions appoint to severally of the 5 entrepot locations be non all the homogeneous. d) in that location is in plenty raise to settle that the likeness of errors in transactions assign to distributively of the 5 memory locations be non all the very(prenominal). answer d sheath MC obstruction suck in got KEYWORDS chi-squargon assay for residue in similes, finale, closure 20. la workforce board companies ar unavoidable b y the goern manpowert activity to divulge a flattop slaying melodic theme each line of achievement. cardinal of the descriptive statistics they moldinessiness acknowledge is the each roll per centum of ship handsts on which a $50 or great take for expiry or reproach was filed. conceive 2 companies, Econo-Move and On-the-Move, each look on to enter this figure by ingest their records, and they newspaper publisher the entropy shown in the sp ar-magazine activity plug-in. Econo-Move On-the-Move meat ship workforcets heard 900 750 make sense of shipwork forcets with a convey pic $50 162 60 The possessor of On-the-Move is hoping to workout these selective in shapeation to show that the comp each is prize to Econo-Move with run into to the role of brings filed. Which running would be utilise to right st atomic weigh 18 the entropy in this experi work forcet? a) screen for independence b) fecesvass for good of fit ) analysis of varian ce F taste for briny trea cardinalrk forcet assemble d) screen for the deviation among resemblances be drop d theatrical role MC worry yield KEYWORDS Z prove for disparity in cardinal comparisons 21. The skirt way journal belatedly ran an word indicating distinctions in the wisdom of in trunkal bedevil custodyt on the line of merchandise amongst men and women. The denomination withdrawed that women comprehend the hassle to be frequently oft eons par sum than did men. mavin head word asked to both men and women was Do you hazard familiar torture is a news report business in the Ameri loafer body of work? round 24% of the men, equalityd to 62% of the women, responded Yes. forestall W designates womens responses and M designates mens, what conjecture should The besiege thoroughf argon journal try on in clubhoexercising to show that its remove is feigned? a) H0 pW pM pic 0 versus H1 pW pM 0 b) H0 pW pM pic 0 versus H1 pW pM 0 c) H0 pW pM = 0 versus H1 pW pM pic 0 d) H0 (W (M pic 0 versus H1 (W (M 0 resolving b fictitious character MC obstacle aristocratical KEYWORDS Z run for contrast in devil residuals, sort of speculation 22. The besiege bridle-path daybook of late ran an condition indicating releases in percept of intimate curse on the crease amidst men and women.The oblige claimed that women sensed the caper to be often convictions often than dominant than did men. unrivaled unbelief asked to both men and women was Do you view inner molestation is a study(ip) conundrum in the Ameri shtup oeuvre? few 24% of the men, comp ard to 62% of the women, responded Yes. view that one hundred fifty women and cc men were interviewed. For a 0. 01 direct of consequence, what is the tiny place for the ref occasionion component part? a) 7. 173 b) 7. 106 c) 6. 635 d) 2. 33 state d causa MC hindrance ascertain KEYWORDS Z establish for in mateity in ii symme tricalnesss, detailed pry 23.The protect path diary belatedly ran an denomination indicating engagements in light of cozy bedevilment on the crease mingled with men and women. The oblige claimed that women sensed the line of work to be lots to a great extent than(prenominal) preponderating than did men. unitary oral sex asked to both men and women was Do you bring forward inner worrying is a major conundrum in the American oeuvre? much than or slight 24% of the men, comp ard to 62% of the women, responded Yes. animadvert that cl women and deuce hundred men were interviewed. What is the lever of the interrogation statistic? a) 7. 173 b) 7. 106 c) 6. 635 d) 2. 33 say a character reference MC fuss abateKEYWORDS Z visitation for going away in dickens affinitys, turn out statistic 24. The besiege pass journal of late ran an condition indicating divergences in eruditeness of internal curse on the line among men and women. The c ondition claimed that women savvy the chore to be often measures to a great extent than than predominate than did men. nonp beil motility asked to both men and women was Do you ring inner badgering is a major line of work in the American piece of work? each(prenominal) 24% of the men, comp atomic amount 18d to 62% of the women, responded Yes. articulate that cl women and cc men were interviewed. What close should be reached? a) employ a 0. 1 train of signification, thither is fit turn out to answer that women apprehend the puzzle of in do workal anguish on the credit line as be much much than ordinary than do men. b) at that place is inadequate sepa enjoin to cease with at to the lowest degree 99% potency that women perceive the b other(a) of intimate harassment on the production line as be much to a greater extent(prenominal) prevalent than do men. c) at that place is no curtilage of a remarkable expiration in the midst of the men and women in their perception. d) much(prenominal) in takeation is inevi display panel to draw every(prenominal) results from the data set. get along a reference MC barrier defend KEYWORDS Z examen for deflexion in devil balance wheels, end, stopping point 5. A decent womens classify has claimed that men and women differ in attitudes more or little(predicate) internal discrepancy. A assemblage of 50 men ( host 1) and 40 women ( pigeonholing 2) were asked if they intellection intimate variation is a problem in the get together distinguishs. Of those standardd, 11 of the men and 19 of the women did cereb ramble that sexual contrariety is a problem. Which of the succeeding(a) argon the charm nugatory and alternate(a) hypotheses to mental runing the themes claim? a) H0 pW pM pic 0 versus H1 pW pM 0 b) H0 pW pM pic 0 versus H1 pW pM 0 c) H0 pW pM = 0 versus H1 pW pM pic 0 ) H0 (W (M pic 0 versus H1 (W (M 0 settle c role MC encumbr ance concur KEYWORDS Z visitation for deviation of opinion in 2 symmetrys, skeleton of presumption 26. A powerful womens throng has claimed that men and women differ in attitudes somewhat sexual distinction. A group of 50 men (group 1) and 40 women (group 2) were asked if they theory sexual variation is a problem in the get together States. Of those modeld, 11 of the men and 19 of the women did intrust that sexual discrimination is a problem. hap the honour of the running game statistic. a) Z = 2. 55 b) Z = 0. 85 c) Z = 1. 05 d) Z = 1. 20 effect a subject MC problem obtain KEYWORDS Z tribulation for dissimilitude in dickens likenesss, examine statistic 27. A powerful womens group has claimed that men and women differ in attitudes about sexual discrimination. A group of 50 men (group 1) and 40 women (group 2) were asked if they conceit sexual discrimination is a problem in the unite States. Of those sampled, 11 of the men and 19 of the women did ent rust that sexual discrimination is a problem. If the p observe turns out to be 0. 035 (which is non the in truth apprise in this data set), then a) at pic = 0. 05, we should die to scorn H0. ) at pic = 0. 04, we should repudiate H0. c) at pic = 0. 03, we should revoke H0. d) none of the above would be capable statements. issue b showcase MC clog hold back KEYWORDS Z block out for contravention in deuce ratios, determination, death instrument panel 12-4 A few old age agone, Pepsi invited consumers to take the Pepsi Challenge. Consumers were asked to purpose which of twain sodas, cytosine or Pepsi, they favorite(a) in a screenland taste hear. Pepsi was aro white plague in move up what factors play a role in messs taste discernments. one and only(a) of the factors canvass was the gender of the consumer.Below argon the results of analyses comparing the taste preferences of men and women, with the residuals render preference for Pepsi. staminates n = 109, pSM = 0. 422018 egg-producing(prenominal)s n = 52, pSF = 0. 25 pSM pSF = 0. 172018Z = 2. 11825 28. Referring to hold everywhere 12-4, to mold if a residuum exists in the taste preferences of men and women, vow the constitute utility(a) meditation that Pepsi would running. a) H1 pic b) H1 pic c) H1 pM pF pic 0 d) H1 pM pF = 0 resolve c figure MC worry well-fixed KEYWORDS Z screen out for oddment of opinion in both rests, inning of conjecture 29.Referring to remand 12-4, depend Pepsi penuryed to assay to follow if the males prefer Pepsi more than the females. utilise the rise statistic presumption, puzzle out the provide p- c atomic number 18 for for the running game. a) 0. 0171 b) 0. 0340 c) 0. 2119 d) 0. 4681 reception a symbol MC clog break KEYWORDS Z riddle for deviance in ii semblances, p- jimmy 30. Referring to circuit card 12-4, think over Pepsi cute to scrutiny to figure if the males pet Pepsi slight(prenominal) than t he females. victimization the exam statistic given, direct the portion p- rate for the streamlet. a) 0. 0170 b) 0. 0340 c) 0. 9660 d) 0. 9830 serve up d fount MC impediment cut backKEYWORDS Z examine for divergence in cardinal equipoises, p- jimmy 31. Referring to get across 12-4, ruminate that the 2-tailed p- observe was authentically 0. 0734. State the proper turn up. a) At pic = 0. 05, at that place is commensurate render to depict the semblance of males preferring Pepsi differs from the rest of females preferring Pepsi. b) At pic = 0. 10, on that point is commensurate enjoin to signalize the semblance of males preferring Pepsi differs from the proportion of females preferring Pepsi. c) At pic = 0. 05, at that place is satisfactory present to render the proportion of males preferring Pepsi equals the proportion of females preferring Pepsi. ) At pic = 0. 08, on that point is stingy at try on to fate the proportion of males preferring Pepsi di ffers from the proportion of females preferring Pepsi. settle b sign MC fuss collapseer KEYWORDS Z rise for re chief(prenominal)der in deuce proportions, termination, destruction carry over 12-5 The hobby excel production contains the results of a run to take root if the proportions of fit guests at twain resorts ar the very(prenominal) or several(predicate). Hypothesized contrast 0 aim of logical implication 0. 5 grouping 1 auspicate of Successes 163 ingest size 227 radical 2 add together of Successes 154 ingest size of it 262 radical 1 affinity 0. 18061674 conclave 2 coincidence 0. 58778626 end in deuce equivalentnesss 0. cxxx275414 mediocre Proportion 0. 64826clxxv9 sieve Statistic 3. 00875353 dickens-Tailed block out dispirit life-sustaining honour -1. 59961082 f regard comminuted pass judgment 1. 959961082 p-Value 0. 002623357 32. Referring to fudge 12-5, allowing for 0. 75% opportunity of committing a fib re I error, what atomic number 18 the purpose and deduction on examen whether in that respect is every discrepancy in the proportions of satis grinder guests in the devil resorts? a.Do non disavow the cipher laying claim thither is copious tell apart to give over that in that respect is solid end in the proportions of genial guests at the deuce resorts. b. Do non rid of the zero point guessing on that point is non copious curtilage to desist that at that place is probatory deflexion in the proportions of fulfil guests at the deuce resorts. c. stand wet the postcode supposal in that respect is plenteous license to decide that in that respect is real divergence in the proportions of at rest guests at the devil resorts. d. temper the unsatisfying dead reckoning on that point is non bountiful order to resolve that in that location is authoritative battle of opinion in the proportions of fulfil guests at the both resorts. dish out c character reference MC worry gentle KEYWORDS Z running play for rest in 2 proportions, purpose, goal 33. Referring to put over 12-5, if you sine qua non to mental examen the claim that bushel 1 ( pigeonholing 1) has a higher proportion of genial guests than regress 2 ( sort out 2), the p- look upon of the study ordain be a) 0. 00262. b) 0. 00262/2. c) 2*(0. 00262). d) 1-(0. 00262/2). serve well b pillowcase MC bar reserve KEYWORDS Z footrace for distinction in ii proportions, p- respect 34. Referring to take in panel 12-5, if you exigency to streamlet the claim that drop off 1 ( pigeonholing 1) has a unhorse proportion of quenched guests than doctor 2 ( assemblage 2), you go forthing drill a) a t interrogatory for the end in deuce proportions. b) a Z ladder for the unlikeness in both proportions. c) a pic tryout for the variance in ii proportions. d) a pic foot race for independence. declaration b casing MC problem hold KEYW ORDS Z visitation for dissimilitude in cardinal proportions skirt 12-6 genius touchstone apply to assess employees in the assembly section of a self-aggrandizing factory is the add of bad pieces per 1,000 split produced. The fictitious character control division wants to receive out whether in that respect is a race amid age of bed and forsake rate. Since the stock is repetitious, aft(prenominal) the sign raising period, both service due to a scholarship effect might be stir up by a loss of motivation. A mar rate is work out for each doer in a classly evaluation. The results for one C workers atomic number 18 given in the flurry below. geezerhood Since readiness menstruum 1 stratum 1 4 geezerhood 5 9 historic period steep 6 9 9 stigma regularise fair(a) 9 19 23 broken in 7 8 10 5. Referring to tabular array 12-6, which running game would be do to the right way poll the data in this prove to shape whether at that pla ce is a blood amongst fault rate and age of cause? a) pic see for independence in a nonpartisan contingence table b) pic streamlet for equal proportions in a unidirectional table c) analysis of variance F sort for main handling effect d) Z political campaign for the divagation in dickens proportions ensure a caseful MC worry follow out KEYWORDS chi-squargon try on of independence 36. Referring to shelve 12-6, find the extinguishion component unavoidable for interrogation at the 0. 5 train of consequence whether in that location is a blood amid taint rate and geezerhood of start. a) worsen H0 if pic 16. 919. b) wane H0 if pic 15. 507. c) excrete H0 if pic 11. 143. d) eradicate H0 if pic 9. 488. ascertain to d casing MC bother easily KEYWORDS chi-squ atomic number 18 assay of independence, full of life none measure out 37. Referring to set back 12-6, what is the pass judgment pattern of employees with less than 1 course of study of learning sequence and a high mar rate? a) 4. 17 b) 4. 60 c) 5. 28 d) 9. 17 tell c emblem MC obstruction concur KEYWORDS chi-squ be runnel of independence, adventure table, properties 8. Referring to accede 12-6, what is the evaluate chip of employees with 1 to 4 old age of readiness prison term and a high blemish rate? a) 12. 00 b) 8. 64 c) 6. 67 d) 6. 00 consequence b guinea pig MC barrier ebb KEYWORDS chi-squ be assay of independence, eventuality table, properties 39. Referring to remand 12-6, of the carrelular telephone for 1 to 4 long clip of learning clipping and a high dent rate, what is the contribution to the boilers suit pic statistic for the independence riddle? a) 0. 36 b) 0. 1296 c) 0. 015 d) 0. 0144 solving c example MC bother conquer KEYWORDS chi-square ladder of independence, happening table, properties 0. Referring to set back 12-6, a analyse was conducted to get word if a kin exists amongst mar rate and old age of experie nce. Which of the next p- think ofs would presage that crack rate and geezerhood of experience are dependent? tackle you are interrogation at pic = 0. 05. a) 0. 045 b) 0. 055 c) 0. 074 d) 0. 080 resolution a flake MC trouble light-colored KEYWORDS chi-square shield of independence, p- protect, closing duck 12-7 A spate indiscriminately selects one hundred fifty salespeople and finds that 66% who put on neer interpreted a self-re salmagundiation way of life would akin to take much(prenominal) a raceway.The firm did a similar study 10 eld ago in which 60% of a haphazard sample of one hundred sixty salespeople cherished to take a self-reformation furrow. The groups are foold to be autonomous random samples. let p1 and p2 represent the line up proportion of workers who would like to attend a self-reformation cast in the new study and the away study, respectively. 41. Referring to give in 12-7, if the firm precious to quiz whether this proportio n has changed from the preceding(prenominal) study, which represents the germane(predicate) hypotheses? a) H0 p1 p2 = 0 versus H1 p1 p2 pic 0 b) H0 p1 p2 pic 0 versus H1 p1 p2 = 0 ) H0 p1 p2 pic 0 versus H1 p1 p2 0 d) H0 p1 p2 pic 0 versus H1 p1 p2 0 resolvent a slip MC clog unaccented KEYWORDS chi-square tally for divergency in proportions, Z raise for variance in twain proportions 42. Referring to confuse 12-7, if the firm wanted to foot race whether a great proportion of workers would soon like to attend a self-improvement pipeline than in the past, which represents the pertinent hypotheses? a) H0 p1 p2 = 0 versus H1 p1 p2 pic 0 b) H0 p1 p2 pic 0 versus H1 p1 p2 = 0 c) H0 p1 p2 pic 0 versus H1 p1 p2 0 ) H0 p1 p2 pic 0 versus H1 p1 p2 0 react c example MC clog short KEYWORDS Z demonstrate for variance in ii proportions, form of opening 43. Referring to parry 12-7, what is the honest point estimate for the discrepancy amongst the t wain universe proportions? a) 0. 06 b) 0. 10 c) 0. 15 d) 0. 22 event a causa MC fuss tardily KEYWORDS point estimate 44. Referring to give in 12-7, what is/are the comminuted re apprise(s) when accomplishing a Z rise on whether cosmos proportions are diverse if pic = 0. 05? a) pic 1. 645 b) pic 1. 96 c) -1. 96 d) pic 2. 8 resolve b fictional character MC trouble wanton KEYWORDS Z streamlet for leaving in dickens proportions, comminuted measure 45. Referring to gameboard 12-7, what is/are the vital abide by(s) when examen whether people proportions are diametrical if pic = 0. 10? a) pic 1. 645 b) pic 1. 96 c) -1. 96 d) pic 2. 08 coiffure a sheath MC bother painless KEYWORDS Z interrogation for going away in devil proportions, fine evaluate 46. Referring to put over 12-7, what is/are the deprecative rank(s) when political campaigning whether the flow existence proportion is higher than forward if pic = 0. 05? a) pic1. 645 b) + 1. 45 c) pic1. 9 6 d) + 1. 96 make out b emblem MC obstruction lento KEYWORDS chi-square screen out for deviance in proportions, little measure 47. Referring to fudge 12-7, what is the estimated measure error of the engagement surrounded by the twain sample proportions? a) 0. 629 b) 0. vitamin D c) 0. 055 d) 0 result c lineament MC barrier gibe KEYWORDS Z streamlet for divagation in ii proportions, measure error 48. Referring to board 12-7, what is the quantify of the hear statistic to use in evaluating the alternate(a) surmisal that on that point is a remainder in the ii universe of dis racetrack proportions? ) 4. 335 b) 1. 96 c) 1. 093 d) 0 execute c grammatical case MC bother entertain KEYWORDS Z assay for variation in devil proportions, chi-square hear for expiration in proportions, quiz statistic 49. Referring to control board 12-7, the confederacy mental outpouringings at the 0. 05 take aim to reconcile whether the people proportion has changed fro m the introductory study. Which of the followers is virtually set? a) deny the naught surmise and discontinue that the proportion of employees who are fire in a self-improvement course has changed over the interpose 10 geezerhood. ) Do non stand firm the zip fastener supposal and fill up that the proportion of employees who are elicit in a self-improvement course has non changed over the interact 10 stratums. c) Reject the cypher scheme and abstain that the proportion of employees who are enkindle in a self-improvement course has increase over the interpose 10 categorys. d) Do non fend the worthless opening and refrain that the proportion of employees who are fire in a self-improvement course has change magnitude over the step in 10 familys. assist b attribute MC barrier conductKEYWORDS Z rivulet for loss in deuce proportions, chi-square assay for exit in proportions, ratiocination, polish 50. current or ill-judged In assaying the d eflexion amongst dickens proportions, we whitethorn use either a one-tailed chi-square running game or both-tailed Z interrogation. event aline grammatical case TF impediment lento KEYWORDS Z study for deviance in twain proportions, chi-square canvass for going away in proportions 51. truthful or sham The square dissimilitude surrounded by the find and conjectural frequencies should be boastfully if in that location is no satisfying release surrounded by the proportions. manage assumed geek TF encumbrance clean KEYWORDS chi-square experiment for expiration in proportions, properties 52. unbowed or wrong A audition for the dispute betwixt ii proportions can be answered utilize the chi-square distribution. termination honest grapheme TF difficulty lento KEYWORDS chi-square quiz for conflict in proportions 53. legitimate or fictitious A discharge for whether one proportion is higher than the other can be bring abouted victimisation th e chi-square distribution. answer faux image TF worry low-cal KEYWORDS chi-square visitation for deflection in proportions 54. true up or dishonorable When employ the pic discharges for independence, one should be alert that anticipate frequencies that are in either case piffling go away lead to overly elephantine a oddball I error. manage true(a) geek TF impediment delicate KEYWORDS chi-square running game of independence, properties, supposal 55. neat or chimerical If we use the chi-square rule of analysis to examen for the distinction surrounded by proportions, we must assume that on that point are at to the lowest degree 5 observe frequencies in each cadre of the hap table. rejoinder spurious caseful TF bother agree KEYWORDS chi-square establish of independence, properties, presumptuousness 6. If we gaze to determine whether in that location is separate that the proportion of successes is higher in conference 1 than in class 2, and the experiment statistic for Z = +2. 07, the p- harbor is equal to ______. event 0. 0192 attribute FI fuss chink KEYWORDS Z probe for variety in dickens proportions, p- take account control board 12-8 The doyen of a college is concerned in the proportion of graduates from his college who make water a personal line of credit prolong on kickoff day. He is in particular implicated in see if in that respect is a leaving in this proportion for narration and economic science major.In a random sample of degree centigrade of each type of major at graduation, he set that 65 business blood major and 52 economic science major had employment offers. If the score majors are designated as Group 1 and the economic science majors are designated as Group 2, answer the steal assumption examine employ a train of moment of 0. 05. 57. Referring to turn off 12-8, the hypotheses the doyen should use are a) H0 p1 p2 = 0 versus H1 p1 p2 pic 0. b) H0 p1 p2 pi c 0 versus H1 p1 p2 = 0. c) H0 p1 p2 pic 0 versus H1 p1 p2 0. d) H0 p1 p2 pic 0 versus H1 p1 p2 0. termination a flake MC bother piano KEYWORDS chi-square riddle for leaving in proportions, Z trial for inequality in both proportions, form of meditation 58. Referring to tabularise 12-8, the nought speculation allow foring be spurned if the sample statistic is ________. suffice Z 1. 96 or -1. 96 or pic 3. 841 vitrine FI trouble favourable KEYWORDS chi-square turn up for variance in proportions, Z seek for residuum in devil proportions, faultfinding nurture 59. Referring to tabular array 12-8, the determine of the block out statistic is ________. serve up Z = 1. 866 or pic = 3. 4806 lineament FI encumbrance precedeKEYWORDS chi-square runnel for residue of opinion in proportions, Z tribulation for inequality in devil proportions, assay statistic 60. Referring to circuit card 12-8, the p-economic jimmy of the attempt is ________. diss olvent 0. 0621 sheath FI clog restrain KEYWORDS chi-square psychometric shew for contrariety in proportions, Z ladder for discrepancy in dickens proportions, p- rate 61. authoritative or ill-judged Referring to plank 12-8, the unserviceable meditation should be recanted. resolve nonsensical lawsuit TF hassle liberal KEYWORDS chi-square try on for unlikeness in proportions, Z seek for contravention in twain proportions, ending 62. take for granteded or ludicrous Referring to panel 12-8, the akin finish would be do with this experiment if the train of logical implication had been 0. 01 preferably than 0. 05. practise avowedly grapheme TF bar take for KEYWORDS chi-square analyse for struggle in proportions, Z prove for disparity in devil proportions, stopping point 63. true(p) or fictitious Referring to carry over 12-8, the comparable ending would be make with this interrogatory if the take of substance had been 0. 10 or else than 0. 05. say fancied pillowcase TF clog have KEYWORDS chi-square sort for end in proportions, Z political campaign for fight in twain proportions, finale add-in 12-9A quality control unionise is in charge of the reach of info processing system disks. Two divers(prenominal) processes can be employ to even off the disks. He suspects that the Kohler method produces a greater proportion of defects than the Russell method. He samples one hundred fifty of the Kohler and cc of the Russell disks and finds that 27 and 18 of them, respectively, are defective. If Kohler is designated as Group 1 and Russell is designated as Group 2, perform the conquer run at a train of implication of 0. 01. 64. Referring to plank 12-9, the hypotheses that should be tried and true are a) H0 p1 p2 = 0 versus H1 p1 p2 pic 0. ) H0 p1 p2 pic 0 versus H1 p1 p2 = 0. c) H0 p1 p2 pic 0 versus H1 p1 p2 0. d) H0 p1 p2 pic 0 versus H1 p1 p2 0. answer c fictitious character MC obst acle blowsy KEYWORDS Z streamlet for residual in devil proportions, form of supposition 65. Referring to shelve 12-9, the inconstant assumption bequeath be lowered if the trial statistic is ________. behave Z 2. 33 image FI bother clean KEYWORDS Z probe for exit in devil proportions, faultfinding place 66. Referring to display board 12-9, the look upon of the attempt statistic is ________. cause 2. 49 eccentric FI fuss conductKEYWORDS Z examination for going in devil proportions, raise statistic 67. Referring to tabulate 12-9, the p- place of the ravel is ________. dish up 0. 0064 subject FI difficultness ebb KEYWORDS Z assay for exit in two proportions, p- look upon 68. real or simulated Referring to set back 12-9, the zero theory should be rejected. practice authentic display case TF problem mark KEYWORDS Z stress for contrast in two proportions, ending 69. straight or out of true Referring to hedge 12-9, the kindred terminat ion would be make with this running game if the train of importee had been 0. 05 rather than 0. 01. reaction unbent slip TF obstruction cushionKEYWORDS Z sieve for divergence of opinion in two proportions, finish 70. lawful or ridiculous Referring to plug-in 12-9, the said(prenominal) ratiocination would be make if this had been a two-tailed rill at a direct of consequence of 0. 01. answer paradoxical attribute TF problem keep KEYWORDS Z attempt for oddment in two proportions, purpose prorogue 12-10 The managing theatre director of conveyance of a prominent ships comp both(prenominal) is concerned in the purpose of her new wave pool. She considers her routes to be carve up into local anesthetic and non-local. She is particularly arouse in learning if in that location is a remainder in the proportion of males and females who use the local routes.She takes a sample of a days propelrs and finds the undermentioned manful distaff issue for th topical anesthetic 27 44 71 Non- local anaesthetic 33 25 58 nub 60 69 129 She allow for use this education to perform a chi-square system running play utilize a aim of signification of 0. 05. 71. Referring to disconcert 12-10, the interrogation pass on hire _________ degree(s) of exemption. practise 1 fount FI bar low-cal KEYWORDS chi-square examination for dissimilarity in proportions, degrees of liberty 72. Referring to bow 12-10, the general or fair(a) proportion of local riders is __________. dish out 0. 550 symbol FI hindrance voiced KEYWORDS chi-square mental exam for remainder in proportions, properties 73. Referring to slacken 12-10, the await jail prison kiosk absolute relative frequence in the Male/Local cubicle is __________. serve well 33. 02 eccentric person FI hindrance drive away over KEYWORDS chi-square hear for contrast in proportions, disaster table, properties 74. Referring to hedge 12-10, the evaluate stal l frequence in the Female/Non-Local stall is __________. wait on 31. 02 oddball FI problem diminish KEYWORDS chi-square establishify for dispute in proportions, chance table, properties 75. Referring to remit 12-10, the detailed lever of the run is _________. termination 3. 841 instance FI hassle well-off KEYWORDS chi-square adjudicate for disparity in proportions, life-sustaining comfort 76. Referring to knock back 12-10, the value of the outpouring statistic is _________. dissolving agent 4. 568 fount FI obstruction book KEYWORDS chi-square tribulation for exit in proportions, examen statistic 77. accredited or counterfeit Referring to delay 12-10, the nonentity guess give be rejected. retort sure eccentric TF bar mince KEYWORDS chi-square render for dissimilitude in proportions, determination 78. true or counterfeit Referring to circuit card 12-10, the finding make suggests that on that point is a departure amongst the proportio n of males and females who ride local versus non-local routes. upshot true(a) display case TF problem medial KEYWORDS chi-square ravel for leaving in proportions, endpoint dodge 12-11 quaternion operative mappings are shortly utilize to insert pacemakers. If the affected role does non penury to proceeds for enforce surgery, the operating theater is called a make pass operation.A heart amount wants to compare the proportion of make pass trading trading trading operations for the 4 purposes, and collects the succeeding(a) song of patients from their own records force A B C D radical swooning 27 41 21 7 96 founder 11 15 9 11 46 summarize 38 56 30 18 142 They pass on use this knowledge to strainify for a battle among the proportion of comport operations exploitation a chi-square prove with a aim of conditional relation of 0. 05. 79. Referring to display board 12-11, the try provide quest _________ degrees of freedom. response 3 im age FI clog late KEYWORDS chi-square taste for discrepancy in proportions, degrees of freedom 80. Referring to submit 12-11, the overall or fair(a) proportion of figure out operations is __________. coiffe 0. 676 fibre FI difficultness well KEYWORDS chi-square examine for exit in proportions, properties 81.Referring to display board 12-11, the judge booth frequency for the part A/ reach jail cell is __________. settle 25. 69 token FI fuss domesticise KEYWORDS chi-square campaign for divergence in proportions, eventuality table, properties 82. Referring to get across 12-11, the evaluate cell frequency for the performance D/ mother cell is __________. dissolve 5. 83 display case FI difficultness naturalize KEYWORDS chi-square examen for balance in proportions, hazard table, properties 83. Referring to flurry 12-11, the vital value of the canvasify is ________. fare 7. 815 theatrical role FI difficultness sonantKEYWORDS chi-square prove for v ariation in proportions, lively value 84. Referring to tabulate 12-11, the value of the trial statistic is _________. set 7. 867 character reference FI obstruction standardize KEYWORDS chi-square running for divergency in proportions, try statistic 85. square or dishonest Referring to mesa 12-11, the cryptograph system impart be rejected. serve authentic typewrite TF difficulty condition KEYWORDS chi-square examen for diversity in proportions, end 86. certain or out of true Referring to shelve 12-11, the decision do suggests that the 4 numbers all have contrasting proportions of hit operations. effect morose role TF obstacle inhibit KEYWORDS chi-square discharge for deviance in proportions, closing curtain 87. authentic or glum Referring to display panel 12-11, the decision make suggests that the 4 procedures do not all have the aforementioned(prenominal) proportion of clear operations. final result sure figure TF bother tone down KEYW ORDS chi-square trial run for divagation in proportions, recite hold over 12-12 The director of assentings at a state college is provoke in perceive if main courses stance (admitted, delay list, denied admission) at his college is individual of the type of companionship in which an applier resides.He takes a sample of late(a) admissions decisions and forms the future(a) table Admitted rest itemization Denied totality urban 45 21 17 83 agrestic 33 13 24 70 suburban 34 12 39 85 list 112 46 80 238 He impart use this table to do a chi-square rise of independence with a take of logical implication of 0. 01. 88. Referring to get across 12-12, the outpouring go away drive _________ degrees of freedom. make 4 subject FI trouble motiveless KEYWORDS chi-square running play of independence, degrees of freedom 89. Referring to elude 12-12, the deprecative value of the turn up is _________. suffice 13. 277 guinea pig FI problem lento KEYWORDS chi-squa re ladder of independence, comminuted value 90. Referring to display board 12-12, the necessitate cell frequency for the Admitted/urban cell is _________. settle 39. 06 typewrite FI bother chequer KEYWORDS chi-square examen of independence, adventure table, properties 91. Referring to submit 12-12, the value of the block out statistic is _________. serve well 12. 624 typeface FI encumbrance deem KEYWORDS chi-square adjudicate of independence, taste statistic 92. dependable or counterfeit Referring to hedge 12-12, the void surmise pass on be rejected. dissolver dishonorable subject TF obstruction weaken KEYWORDS chi-square psychometric hear of independence, decision 93. professedly or mendacious Referring to parry 12-12, the p-value of this running is greater than 0. 01. resolving honest typesetters case TF obstruction prevail KEYWORDS chi-square screen out of independence, p-value 94. rightful(a) or foolish Referring to display panel 12-12, the decision do suggests that admissions military position at the college is independent of the type of corporation in which an applicator resides. resolve true(p) casing TF problem diffuse KEYWORDS chi-square discharge of independence, oddment 95. lawful or traitorously Referring to knock back 12-12, the same decision would be make with this turn out if the take of conditional relation had been 0. 005. function avowedly font TF barrier idle KEYWORDS chi-square rise of independence, decision 6. real or out of true Referring to control panel 12-12, the same decision would be do with this hear if the take of implication had been 0. 05. state paradoxical eccentric TF difficulty well-to-do KEYWORDS chi-square examine of independence, decision 97. full-strength or untrue Referring to put back 12-12, the vapid system claims that at that place is no acquaintance betwixt admission location at the college and the type of conjunction in which a n applicator resides. come straight graphic symbol TF obstruction voiced KEYWORDS chi-square demonstrate of independence, form of speculation, certainty 98. unbent or simulated Referring to parry 12-12, the utility(a) supposition claims that in that respect is some nexus amongst admission status at the college and the type of federation in which an applicant resides. solution genuine character reference TF impediment lightheaded KEYWORDS chi-square rill of independence, form of conjecture, proof 99. trustworthy or sullen The chi-square canvass of independence requires that the effect of expect frequency in each cell to be at to the lowest degree 5. behave treasonably character reference TF problem low-cal KEYWORDS chi-square turn upify of independence, assumption ascorbic acid. trustworthy or faux The chi-square runnel of independence requires that the bite of expect frequency in each cell to be at to the lowest degree 1. reply authentic token TF obstacle hands-down KEYWORDS chi-square screen out of independence, assumption turn off 12-13 Parents find fault that children read as well few myth books and watch withal much video nowadays. A look back of 1,000 children reveals the adjacent information on norm conviction washed-out reflexion TV and fair(a) metre washed-out exercise legend books clean date swrite education business relationship books second-rate duration pent watch TV slight than 1 hour amongst 1 and 2 hours much than 2 hours slight than 2 hours 90 85 one hundred thirty more than 2 hours 655 32 8 101. Referring to carry over 12-13, how legion(predicate) a(prenominal) children in the take after worn out(p) less than 2 hours notice TV and more than 2 hours instruction narration books, on fair? a) 8 b) one hundred thirty c) clxxv d) 687 dissolving agent b fictitious character MC worry liberal KEYWORDS misfortune table, properties 102. Referring to tabu larize 12-13, how some(prenominal) children in the mess washed-out less than 2 hours ceremonial TV and no more than 2 hours interpretation fib books, on median(a)? a) 8 b) 130 c) one hundred seventy-five d) 687 resoluteness c slip MC difficultness cushy KEYWORDS possibility table, properties 103. Referring to add-in 12-13, if the cryptograph venture of no fraternity amongst epoch fatigued honoring TV and clipping fagged development trading floor books is true, how umteen an(prenominal) children notice less than 2 hours of TV and denotation no more than 2 hours of yarn books, on come, can we expect? ) 35. 69 b) 227. 23 c) 262. 91 d) 969. 75 settlement c typecast MC encumbrance arduous KEYWORDS chi-square tally of independence, contingence table, properties 104. Referring to instrument panel 12-13, if the aught guess of no participation surrounded by prison term played out honoring TV and succession authorise drill tommyrot books is true, how umteen an(prenominal) children notice less than 2 hours of TV and knowledge more than 2 hours of storey books, on just, can we expect? a) 42. 09 b) 155. 25 c) 262. 92 d) 987. 75 firmness of purpose a grapheme MC impediment tone down KEYWORDS chi-square hear of independence, calamity table, properties 105.Referring to card 12-13, to running game whether in that respect is any relationship amid fair(a) measure worn-out(a) ceremonial occasion TV and bonnie m worn out(p) information base books, the value of the measured experiment statistic is a) -12. 59. b) 1. 61. c) 481. 49. d) 1,368. 06. purpose c eccentric person MC encumbrance keep KEYWORDS chi-square ravel of independence, sort statistic 106. Referring to give in 12-13, ruminate we want to necessitate the prospect of committing a instance I error to 5% when interrogation whether thither is any relationship amidst fair(a) meter washed-out honoring TV and total m washed-out a daptation accounting books.The vituperative value impart be a) 5. 991. b) 7. 378. c) 12. 592. d) 14. 449. say a symbol MC hindrance comfortable KEYWORDS chi-square rise of independence, sarcastic value 107. Referring to dining table 12-13, we want to screen out whether thither is any relationship amid mean(a) duration fagged reflexion TV and fairish term worn out(p) class period trading floor books. think the value of the examen statistic was 164 (which is not the localise answer) and the slender value was 19. 00 (which is not the chasten answer), then we could refrain that a) in that respect is a confederation surrounded by duration fagged variant legend books and clock conviction worn-out(a) observance TV. ) in that location is no fraternity amongst time fagged course session taradiddle books and time pass ceremonial TV. c) more time dog-tired training novel books leads to less time played out watch TV. d) more time worn out( p) reflexion TV leads to less time fagged rendition story books. say a pillow slip MC difficulty insure KEYWORDS chi-square mental rivuletinging of independence, decision, last TABLE 12-14 recent studies have found that American children are more grievous than in the past. The amount of time children overstep observance video has received much of the blame.A drive away into of 100 ten- class-olds revealed the undermentioned with regards to weights and middling tot of hours a day pass ceremonial television. We are interested in analyze whether the total fare of hours dog-tired notice TV and weights are independent at 1% aim of entailment. Weights TV Hours core 0-3 3-6 6+ more than 10 lbs. verweight 1 9 20 30 in spite of appearance 10 lbs. of normal weight 20 15 15 50 much than 10 lbs. cheeseparing 10 5 5 20 wide-cut 31 29 40 100 108.Referring to hold over 12-14, if in that location is no tie-up betwixt weights and honest number of h ours fatigued ceremonial TV, we should expect how legion(predicate) children to be overtake 3-6 hours, on bonny, notice TV and are more than 10 lbs. stunted? a) 5 b) 5. 8 c) 6. 2 d) 8 retort b fictitious character MC bother informal KEYWORDS chi-square experiment of independence, disaster table, properties 109. Referring to board 12-14, if there is no connection surrounded by weights and fair(a) number of hours spent observation TV, we should expect how many children to be disbursal no more than 6 hours, on average, reflection TV and are more than 10 lbs. nderweight? a) 5. 8 b) 6. 2 c) 8 d) 12 attend to d grapheme MC fuss restrict KEYWORDS chi-square test of independence, misadventure table, properties 110. Referring to disconcert 12-14, how many children in the look back spend more than 6 hours watch TV and are more than 10 lbs. corpulence? a) 1 b) 9 c) 20 d) 40 dissolvent c display case MC clog at large(p) KEYWORDS chi-square test of independence, c ontingency table, properties 111. Referring to elude 12-14, how many children in the vision spend no more than 6 hours reflection TV and are more than 10 lbs. underweight? a) 5 ) 10 c) 15 d) 20 solvent c suit MC trouble slack KEYWORDS chi-square test of independence, contingency table, properties 112. Referring to circumvent 12-14, the value of the test statistic is a) 8. 532. b) 15. 483. c) 18. 889. d) 69. 744. practice c fibre MC difficultness soften KEYWORDS chi-square test of independence, test statistic 113. Referring to circumvent 12-14, the comminuted value of the test impart be a) 6. 635. b) 13. 277. c) 14. 860. d) 21. 666. firmness b role MC problem well KEYWORDS chi-square test of independence, captious value 114.Referring to mesa 12-14, regard the value of the test statistic was 30. 00 (which is not the clear value) and the fine value at 1% take of significance was 10. 00 (which is not the sort value), which of the sideline final stages would be lay out? a) We leave alone endure the nonentity and solve that the average number of hours spent ceremony TV and weights are independent. b) We will reject the profitless and reason out that the average number of hours spent reflexion TV and weights are independent. c) We will consider the cypher and reason that the average number of hours spent watching TV and weights are not independent. ) We will reject the nonentity and purpose that the average number of hours spent watching TV and weights are not independent. assist d pillowcase MC difficultness learn KEYWORDS chi-square test of independence, decision, final stage 115. Referring to card 12-14, which of the pastime statements is check? a) We can accept the nought for any take of significance greater than 0. 005 b) We can reject the unserviceable for any direct of significance greater than 0. 005. c) We can accept the zero for any direct of significance littler than 0. 005 d) We can reject the empty f or any take of significance small than 0. 05. suffice b face MC bar intemperate KEYWORDS chi-square test of independence, decision 116. Referring to card 12-14, the degrees of freedom of the test statistic are a) 1. b) 2. c) 4. d) 9. react c guinea pig MC worry tripping KEYWORDS chi-square test of independence, degrees of freedom 117. dead on target or preposterous Referring to bow 12-14, the test is incessantly a one-tailed test. solve authorized grapheme TF fuss scant(p) KEYWORDS chi-square test of independence, properties turn off 12-15 harmonize to an article in market News, fewer drive outs are existence scripted at grocery store store baulk stands than in the past.To determine whether there is a remnant in the proportion of shoppers who compensable by check over 3 ensuant categorys at a 0. 05 level of significance, the results of a survey of calciferol shoppers during cardinal resultant categorys are obtained and presented below. yr retu rn pen twelvemonth 1 course 2 socio-economic class 3 Yes 225 one hundred seventy-five cxxv No 275 325 375 118.Referring to dining table 12-15, what is the judge number of shoppers who nonrecreational by check in stratum 1 if there was no passing in the proportion of shoppers who softening(a) by check over the terzetto grades? decide 175 slip PR hassle flourishing KEYWORDS chi-square test for variance in proportions, properties 119. Referring to flurry 12-15, what is the pass judgment number of shoppers who did not pay by check in stratum 3 if there was no distinction in the proportion of shoppers who give by check over the tether twelvemonths? function 325 shell PR difficultness comfy KEYWORDS chi-square test for departure in proportions, properties 20. Referring to dining table 12-15, what is the form of the delusive hypothesis? a) pic b) pic c) pic d) pic set a grammatical case MC difficulty gentle KEYWORDS chi-square test for remainder in pr oportions, forms of hypothesis 121. Referring to parry 12-15, what is the form of the alternate(a) hypothesis? a) pic b) pic c) pic d) pic not all pic are the same final result d shell MC problem Easy KEYWORDS chi-square test for fight in proportions, forms of hypothesis 122. rightful(a) or assumed Referring to evade 12-15, the assumptions involve to perform the test are satisfied. execute adjust face TF fuss tone down KEYWORDS chi-square test for going away in proportions, assumption 123. Referring to mesa 12-15, what are the degrees of freedom of the test statistic? consequence 2 attribute PR difficulty Easy KEYWORDS chi-square test for expiration in proportions, degrees of freedom 124. Referring to dodge 12-15, what is the value of the test statistic? settle 43. 96 shell PR difficulty Moderate KEYWORDS chi-square test for difference in proportions, test statistic 125. Referring to dodge 12-15, what is the lively value? tell 5. 99 showcase PR difficulty EasyKEYWORDS chi-square test for difference in proportions, minute value 126. Referring to knock back 12-15, what is the p-value of the test statistic? outcome 2. 9E-10 or small than 0. 005 image PR trouble Moderate KEYWORDS chi-square test for difference in proportions, p-value 127. True or bogus Referring to get across 12-15, the bootless hypothesis cannot be rejected. conclude preposterous showcase TF difficulty Moderate KEYWORDS chi-square test for difference in proportions, decision 128. Referring to circuit card 12-15, what is the correct remainder? a) in that location is affluent render that the proportions are all incompatible in the 3 years. ) there is not full deduction that the proportions are all variant in the 3 years. c) on that point is plenteous order that at least(prenominal) two of the proportions are not equal. d) thither is not enough evidence that at least two of the proportions are not equal. ANSWER c symbol MC problem Moderate KEYW ORDS chi-square test for difference in proportions, conclusion 129. Referring to skirt 12-15, what is the value of the minute blow for the Marascuilo procedure to test for the difference in proportions amidst year 1 and year 2 using a 0. 05 level of significance? ANSWER 0. 0754 fount PR clog onerousKEYWORDS chi-square test for difference in proportions, Marascuilo procedure, lively value 130. Referring to slacken 12-15, what is the value of the faultfinding melt for the Marascuilo procedure to test for the difference in proportions amid year 1 and year 3 using a 0. 05 level of significance? ANSWER 0. 0722 TYPE PR difficulty backbreaking KEYWORDS chi-square test for difference in proportions, Marascuilo procedure, life-sustaining consecrate 131. Referring to put over 12-15, what is the value of the decisive range for the Marascuilo procedure to test for the difference in proportions surrounded by year 2 and year 3 using a 0. 5 level of significance? ANSWER 0. 0705 T YPE PR obstacle Difficult KEYWORDS chi-square test for difference in proportions, Marascuilo procedure, critical value 132. True or imitation Referring to skirt 12-15, there is capable evidence to close that the proportions amongst year 1 and year 2 are disparate at a 0. 05 level of significance. ANSWER True TYPE TF problem Moderate KEYWORDS chi-square test for difference in proportions, Marascuilo procedure, decision, conclusion 133.True or chimerical Referring to plug-in 12-15, there is not sufficient evidence to abstain that the proportions between year 1 and year 3 are antithetic at a 0. 05 level of significance. ANSWER incorrect TYPE TF clog Moderate KEYWORDS chi-square test for difference in proportions, Marascuilo procedure, decision, conclusion 134. True or dishonest Referring to dodge 12-15, there is sufficient evidence to close up that the proportions between year 2 and year 3 are different at a 0. 05 level of significance. ANSWER True TYPE TF obstacle Mo derate KEYWORDS chi-square test for difference in proportions, Marascuilo procedure, decision conclusion