Test Bank for Statistical Reasoning for Everyday Life, 5th edition by Jeff Bennett, William Briggs, Mario Triola

ONLINE TES W




T BANK
W




STATISTICAL REASONING FO W W




R EVERYDAY LIFE
W W




FIFTH EDITION W




Jeffrey Bennett W



University of Colorado at Boulder
W W W W




William L. Briggs W W



University of Colorado at Denver
W W W W




Mario F. Triola W W




Dutchess Community College EXAM QUESTIONS WITH CORRECT
W W


ANSWERS RATED A+

,TheWauthorWandWpublisherWhaveWusedWtheirWbestWeffortsWinWpreparingWthisWsupplement. WTheseWeffortsWincludeWtheW
development, Wresearch,WandWtestingWofWtheWtheoriesWandWprogramsWtoWdetermineWtheirWeffectiveness. WTheWauthorWa
ndWpublisherWmakeWnoWwarrantyWofWanyWkind,WexpressedWorWimplied,WwithWregardWtoWtheseWprogramsWorWtheWdocu
mentationWcontainedWinWthisWbook.WTheWauthorWandWpublisherWshallWnotWbeWliableWinWanyWeventWforWincidentalWor
W consequential W damages W in W connection W with, WorW arising Wout Wof, WtheW furnishing, Wperformance, W orW useW ofWtheseW pr

ograms.

ProvidedWbyWPearsonWfromWelectronicWfilesWsuppliedWbyWtheWauthor.WCo

pyrightW©W2018,W2014WPearsonWEducation, WInc.
PublishingWasWPearson,W501WBoylstonWStreet,WBoston,WMAW02116.

AllWrightsWreserved.WNoWpartWofWthisWpublicationWmayWbeWreproduced, WstoredWinWaWretrievalWsystem,WorWtransmitte
d,WinWanyWformWorWbyWanyWmeans,Welectronic,Wmechanical,Wphotocopying, Wrecording,WorWotherwise,WwithoutWtheWp
riorWwrittenWpermissionWofWtheWpublisher. WPrintedWinWtheWUnitedWStatesWofWAmerica.

ISBN-13:W 978-0-13-445697-3
ISBN-10:W 0-13-445697-1




www.pearsonhighered.com

,Contents


ChapterW1 SpeakingWofWStatistics ..................................................................................... 1


ChapterW2 MeasurementWinWStatistics ............................................................................ 13


ChapterW3 VisualWDisplaysWofWData............................................................................... 21


ChapterW4 DescribingWData ............................................................................................ 44


ChapterW5 AWNormalWWorld .......................................................................................... 63


ChapterW6 ProbabilityWinWStatistics ................................................................................ 71


ChapterW7 CorrelationWandWCausality ............................................................................ 83


ChapterW8 InferencesWfromWSamplesWtoWPopulations................................................... 100


ChapterW9 HypothesisWTesting ..................................................................................... 108


ChapterW10 tWTests,WTwo-WayWTables,WandWANOVA ................................................ 123


Answers ........................................................................................................................... 135




iii

, Statistical Reasoning for Everyday Life
W W W W


Chapter 1 (Speaking of Statistics) Exam, form A
W W W W W W W


MULTIPLEWCHOICE.WChooseWtheWoneWalternativeWthatWbestWcompletesWtheWstatementW
orWanswersWtheWquestion.
ForWproblemsW1WandW2,WdetermineWwhetherWtheWevaluatedWgroupWisWaWpopulationWorWaWsample.
1) TheWaverageW(mean)WageWofWallW63WAssociateWProfessorsWatWClifftonWUniversityWisW47Wyears.
A) Population B)WSample
2) AWresearcherWexaminesWtheWpropertyWtaxWrecordsWofW84WpropertyWownersWinWoneWcityWandWfindsW
thatW17%WareWbehindWinWtheirWtaxWpayments.
A) Population B)WSample
ForWproblemsW3WandW4,WdetermineWwhetherWtheWgivenWvalueWisWaWstatisticWorWaWparameter.
3) TheWaverageW(mean)WageWofWallW63WAssociateWProfessorsWatWClifftonWUniversityWisW47Wyears.
A) Statistic B)WParameter
4) AWresearcherWexaminesWtheWpropertyWtaxWrecordsWofW84WpropertyWownersWinWoneWcityWandWfindsW
thatW17%WareWbehindWinWtheirWtaxWpayments.
A) Statistic B)WParameter
5) FollowingWtheWRepublicanWNationalWConvention,WaWpollWofW600WvotersWinWaWcentralWIllinoisWcom
munityWshowedWthatW57%WexpectedWtheWRepublicanWticketWtoWwinWoverWtheWDemocratWticketWnoW
matterWwhomWtheWDemocratsWchoseWforWvice-
president.WTheWmarginWofWerrorWwasW4WpercentageWpoints.WThereWareW25,000WregisteredWvotersWin
WtheWcommunity.WWhichWrangeWofWvaluesWisWlikelyWtoWcontainWtheWpopulationWparameter?

A) 13,250WtoW15,250 B)W24,400WtoW25,600
C)W318WtoW366 D)W53%WtoW61%
6) AWpollWofW488WcitizensWofWNormal,WIllinois,WshowedWthatW65%WfavoredWstrictWenforcementWofWspee
dWlimitsWwithWaWmarginWofWerrorWofW4%.WAWsecondWpollWofW495WcitizensWofWtheWsameWtownWshowe
dWthatW34%WfavoredWstrictWenforcementWofWspeedWlimits.WAssumingWthatWproperWsamplingWtechniqu
esWwereWusedWinWbothWpolls,WoneWmayWconcludeWthat
A) theWpercentWofWtheWpopulationWthatWfavorsWstrictWenforcementWofWspeedWlimitsWisW49.5%WW8%.
B) theWpercentWofWtheWpopulationWthatWfavorsWstrictWenforcementWofWspeedWlimitsWisW49.5%WW4%.
C) oneWorWbothWofWtheWsamplesWmayWhaveWbeenWunlikelyWsamplesWfromWtheWpopulation.
D) theWpercentWofWtheWpopulationWthatWfavorsWstrictWenforcementWofWspeedWlimitsWisW65%WW8%.
7) AWpollWofW700WattendeesWofWtheWTasteWofWChicagoWshowedWthatW445Wattendees,W65%WofWtheWsamp
le,WbelievedWthatWtheWfoodWwasWoverpriced.WItWisWestimatedWthatW1,250,000WpeopleWattendWtheWTast
e.WAlthoughW65%WplusWorWminusW5%WofWattendeesWbelieveWthatWtheWfoodWisWoverpriced,WtheWTaste
WisWaWpopularWevent.WTheWrawWdataWofWtheWstudyWisW(are)

A) 65%WofWtheWsample.
B) 700Wattendees,W455Wattendees.
C) 1,250,000Wattendees,W700Wattendees,W455Wattendees.
D) (60%,W70%)
8) AWstudentWwantedWtoWknowWtheWfavoriteWlunchWatWaWlargeWhighWschoolWwithWaWclosedWcampus.WW
hatWisWtheWfirstWstepWinWconductingWaWstatisticalWstudyWtoWanswerWtheWquestion?
A) SelectWaWrandomWsampleWofWstudents.
B) PreciselyWstateWtheWgoalWofWtheWstudy.
C) SelectWaWrandomWsampleWofWstudentsWandWteachers.
D) SelectWaWrandomWsampleWofWteachers.


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