ONLINE TES GR
T BANK
GR
STATISTICAL REASONING FO GR GR
R EVERYDAY LIFE
GR GR
FIFTH EDITION GR
Jeffrey Bennett GR
University of Colorado at Boulder
GR GR GR GR
William L. Briggs GR GR
University of Colorado at Denver
GR GR GR GR
Mario F. Triola GR GR
Dutchess Community College
GR GR
,TheGRauthorGRandGRpublisherGRhaveGRusedGRtheirGRbestGReffortsGRinGRpreparingGRthisGRsupplement. GRTheseGReffortsGRincl
udeGRtheGRdevelopment, GRresearch,GRandGRtestingGRofGRtheGRtheoriesGRandGRprogramsGRtoGRdetermineGRtheirGReffectivene
ss.GRTheGRauthorGRandGRpublisherGRmakeGRnoGRwarrantyGRofGRanyGRkind,GRexpressedGRorGRimplied,GRwithGRregardGRtoGRth
eseGRprogramsGRorGRtheGRdocumentationGRcontainedGRinGRthisGRbook.GRTheGRauthorGRandGRpublisherGRshallGRnotGRbeGRlia
bleGRinGRanyGReventGRforGRincidentalGRorGRconsequentialGRdamagesGRinGRconnectionGRwith,GRorGRarisingGRoutGRof,GRtheGRf
urnishing,GRperformance,GRorGRuseGRofGRtheseGRprograms.
ProvidedGRbyGRPearsonGRfromGRelectronicGRfilesGRsuppliedGRbyGRtheGRauthor
.GRCopyrightGR©GR2018,GR2014GRPearsonGREducation,GRInc.
PublishingGRasGRPearson,GR501GRBoylstonGRStreet,GRBoston,GRMAGR02116.
AllGRrightsGRreserved.GRNoGRpartGRofGRthisGRpublicationGRmayGRbeGRreproduced, GRstoredGRinGRaGRretrievalGRsystem,GRorGRt
ransmitted, GRinGRanyGRformGRorGRbyGRanyGRmeans,GRelectronic,GRmechanical, GRphotocopying, GRrecording, GRorGRotherwis
e,GRwithoutGRtheGRpriorGRwrittenGRpermissionGRofGRtheGRpublisher.GRPrintedGRinGRtheGRUnitedGRStatesGRofGRAmerica.
ISBN-13:G R 978-0-13-445697-3
ISBN-10:G R 0-13-445697-1
www.pearsonhighered.com
,Contents
ChapterGR1 SpeakingGRofGRStatistics ................................................................................... 1
ChapterGR2 MeasurementGRinGRStatistics ........................................................................... 13
ChapterGR3 VisualGRDisplaysGRofGRData ............................................................................ 21
ChapterGR4 DescribingGRData ........................................................................................... 44
ChapterGR5 AGRNormalGRWorld......................................................................................... 63
ChapterGR6 ProbabilityGRinGRStatistics ............................................................................... 71
ChapterGR7 CorrelationGRandGRCausality ........................................................................... 83
ChapterGR8 InferencesGRfromGRSamplesGRtoGRPopulations................................................ 100
ChapterGR9 HypothesisGRTesting .................................................................................... 108
ChapterGR10 tGRTests,GRTwo-WayGRTables,GRandGRANOVA............................................. 123
Answers ........................................................................................................................... 135
iii
, Statistical Reasoning for Everyday Life
GR GR GR GR
Chapter 1 (Speaking of Statistics) Exam, form A
GR GR GR GR GR GR GR
MULTIPLEGRCHOICE.GRChooseGRtheGRoneGRalternativeGRthatGRbestGRcompletesGRtheGRstate
mentGRorGRanswersGRtheGRquestion.
ForGRproblemsGR1GRandGR2,GRdetermineGRwhetherGRtheGRevaluatedGRgroupGRisGRaGRpopulationGRorGRaGRsa
mple.
1) TheGRaverageGR(mean)GRageGRofGRallGR63GRAssociateGRProfessorsGRatGRClifftonGRUniversityGRisGR47GRyears.
A) Population B)GRSample
2) AGRresearcherGRexaminesGRtheGRpropertyGRtaxGRrecordsGRofGR84GRpropertyGRownersGRinGRoneGRcityGRand
GRfindsGRthatGR17%GRareGRbehindGRinGRtheirGRtaxGRpayments.
A) Population B)GRSample
ForGRproblemsGR3GRandGR4,GRdetermineGRwhetherGRtheGRgivenGRvalueGRisGRaGRstatisticGRorGRaGRparameter.
3) TheGRaverageGR(mean)GRageGRofGRallGR63GRAssociateGRProfessorsGRatGRClifftonGRUniversityGRisGR47GRyears.
A) Statistic B)GRParameter
4) AGRresearcherGRexaminesGRtheGRpropertyGRtaxGRrecordsGRofGR84GRpropertyGRownersGRinGRoneGRcityGRand
GRfindsGRthatGR17%GRareGRbehindGRinGRtheirGRtaxGRpayments.
A) Statistic B)GRParameter
5) FollowingGRtheGRRepublicanGRNationalGRConvention,GRaGRpollGRofGR600GRvotersGRinGRaGRcentralGRIllinoi
sGRcommunityGRshowedGRthatGR57%GRexpectedGRtheGRRepublicanGRticketGRtoGRwinGRoverGRtheGRDemocra
tGRticketGRnoGRmatterGRwhomGRtheGRDemocratsGRchoseGRforGRvice-
president.GRTheGRmarginGRofGRerrorGRwasGR4GRpercentageGRpoints.GRThereGRareGR25,000GRregisteredGRvo
tersGRinGRtheGRcommunity.GRWhichGRrangeGRofGRvaluesGRisGRlikelyGRtoGRcontainGRtheGRpopulationGRpara
meter?
A) 13,250GRtoGR15,250 B)GR24,400GRtoGR25,600
C)GR318GRtoGR366 D)GR53%GRtoGR61%
6) AGRpollGRofGR488GRcitizensGRofGRNormal,GRIllinois,GRshowedGRthatGR65%GRfavoredGRstrictGRenforcementGR
ofGRspeedGRlimitsGRwithGRaGRmarginGRofGRerrorGRofGR4%.GRAGRsecondGRpollGRofGR495GRcitizensGRofGRtheGRsa
meGRtownGRshowedGRthatGR34%GRfavoredGRstrictGRenforcementGRofGRspeedGRlimits.GRAssumingGRthatGRpro
perGRsamplingGRtechniquesGRwereGRusedGRinGRbothGRpolls,GRoneGRmayGRconcludeGRthat
A) theGRpercentGRofGRtheGRpopulationGRthatGRfavorsGRstrictGRenforcementGRofGRspeedGRlimitsGRisGR49.5%GRGR8%.
B) theGRpercentGRofGRtheGRpopulationGRthatGRfavorsGRstrictGRenforcementGRofGRspeedGRlimitsGRisGR49.5%GRGR4%.
C) oneGRorGRbothGRofGRtheGRsamplesGRmayGRhaveGRbeenGRunlikelyGRsamplesGRfromGRtheGRpopulation.
D) theGRpercentGRofGRtheGRpopulationGRthatGRfavorsGRstrictGRenforcementGRofGRspeedGRlimitsGRisGR65%GRGR8%.
7) AGRpollGRofGR700GRattendeesGRofGRtheGRTasteGRofGRChicagoGRshowedGRthatGR445GRattendees,GR65%GRofGRt
heGRsample,GRbelievedGRthatGRtheGRfoodGRwasGRoverpriced.GRItGRisGRestimatedGRthatGR1,250,000GRpeopleGR
attendGRtheGRTaste.GRAlthoughGR65%GRplusGRorGRminusGR5%GRofGRattendeesGRbelieveGRthatGRtheGRfoodGRi
sGRoverpriced,GRtheGRTasteGRisGRaGRpopularGRevent.GRTheGRrawGRdataGRofGRtheGRstudyGRisGR(are)
A) 65%GRofGRtheGRsample.
B) 700GRattendees,GR455GRattendees.
C) 1,250,000GRattendees,GR700GRattendees,GR455GRattendees.
D) (60%,GR70%)
8) AGRstudentGRwantedGRtoGRknowGRtheGRfavoriteGRlunchGRatGRaGRlargeGRhighGRschoolGRwithGRaGRclosedGRca
mpus.GRWhatGRisGRtheGRfirstGRstepGRinGRconductingGRaGRstatisticalGRstudyGRtoGRanswerGRtheGRquestion?
A) SelectGRaGRrandomGRsampleGRofGRstudents.
B) PreciselyGRstateGRtheGRgoalGRofGRtheGRstudy.
C) SelectGRaGRrandomGRsampleGRofGRstudentsGRandGRteachers.
D) SelectGRaGRrandomGRsampleGRofGRteachers.
1
CopyrightGR©GR2018GRPearsonGREducation,G
RInc.
T BANK
GR
STATISTICAL REASONING FO GR GR
R EVERYDAY LIFE
GR GR
FIFTH EDITION GR
Jeffrey Bennett GR
University of Colorado at Boulder
GR GR GR GR
William L. Briggs GR GR
University of Colorado at Denver
GR GR GR GR
Mario F. Triola GR GR
Dutchess Community College
GR GR
,TheGRauthorGRandGRpublisherGRhaveGRusedGRtheirGRbestGReffortsGRinGRpreparingGRthisGRsupplement. GRTheseGReffortsGRincl
udeGRtheGRdevelopment, GRresearch,GRandGRtestingGRofGRtheGRtheoriesGRandGRprogramsGRtoGRdetermineGRtheirGReffectivene
ss.GRTheGRauthorGRandGRpublisherGRmakeGRnoGRwarrantyGRofGRanyGRkind,GRexpressedGRorGRimplied,GRwithGRregardGRtoGRth
eseGRprogramsGRorGRtheGRdocumentationGRcontainedGRinGRthisGRbook.GRTheGRauthorGRandGRpublisherGRshallGRnotGRbeGRlia
bleGRinGRanyGReventGRforGRincidentalGRorGRconsequentialGRdamagesGRinGRconnectionGRwith,GRorGRarisingGRoutGRof,GRtheGRf
urnishing,GRperformance,GRorGRuseGRofGRtheseGRprograms.
ProvidedGRbyGRPearsonGRfromGRelectronicGRfilesGRsuppliedGRbyGRtheGRauthor
.GRCopyrightGR©GR2018,GR2014GRPearsonGREducation,GRInc.
PublishingGRasGRPearson,GR501GRBoylstonGRStreet,GRBoston,GRMAGR02116.
AllGRrightsGRreserved.GRNoGRpartGRofGRthisGRpublicationGRmayGRbeGRreproduced, GRstoredGRinGRaGRretrievalGRsystem,GRorGRt
ransmitted, GRinGRanyGRformGRorGRbyGRanyGRmeans,GRelectronic,GRmechanical, GRphotocopying, GRrecording, GRorGRotherwis
e,GRwithoutGRtheGRpriorGRwrittenGRpermissionGRofGRtheGRpublisher.GRPrintedGRinGRtheGRUnitedGRStatesGRofGRAmerica.
ISBN-13:G R 978-0-13-445697-3
ISBN-10:G R 0-13-445697-1
www.pearsonhighered.com
,Contents
ChapterGR1 SpeakingGRofGRStatistics ................................................................................... 1
ChapterGR2 MeasurementGRinGRStatistics ........................................................................... 13
ChapterGR3 VisualGRDisplaysGRofGRData ............................................................................ 21
ChapterGR4 DescribingGRData ........................................................................................... 44
ChapterGR5 AGRNormalGRWorld......................................................................................... 63
ChapterGR6 ProbabilityGRinGRStatistics ............................................................................... 71
ChapterGR7 CorrelationGRandGRCausality ........................................................................... 83
ChapterGR8 InferencesGRfromGRSamplesGRtoGRPopulations................................................ 100
ChapterGR9 HypothesisGRTesting .................................................................................... 108
ChapterGR10 tGRTests,GRTwo-WayGRTables,GRandGRANOVA............................................. 123
Answers ........................................................................................................................... 135
iii
, Statistical Reasoning for Everyday Life
GR GR GR GR
Chapter 1 (Speaking of Statistics) Exam, form A
GR GR GR GR GR GR GR
MULTIPLEGRCHOICE.GRChooseGRtheGRoneGRalternativeGRthatGRbestGRcompletesGRtheGRstate
mentGRorGRanswersGRtheGRquestion.
ForGRproblemsGR1GRandGR2,GRdetermineGRwhetherGRtheGRevaluatedGRgroupGRisGRaGRpopulationGRorGRaGRsa
mple.
1) TheGRaverageGR(mean)GRageGRofGRallGR63GRAssociateGRProfessorsGRatGRClifftonGRUniversityGRisGR47GRyears.
A) Population B)GRSample
2) AGRresearcherGRexaminesGRtheGRpropertyGRtaxGRrecordsGRofGR84GRpropertyGRownersGRinGRoneGRcityGRand
GRfindsGRthatGR17%GRareGRbehindGRinGRtheirGRtaxGRpayments.
A) Population B)GRSample
ForGRproblemsGR3GRandGR4,GRdetermineGRwhetherGRtheGRgivenGRvalueGRisGRaGRstatisticGRorGRaGRparameter.
3) TheGRaverageGR(mean)GRageGRofGRallGR63GRAssociateGRProfessorsGRatGRClifftonGRUniversityGRisGR47GRyears.
A) Statistic B)GRParameter
4) AGRresearcherGRexaminesGRtheGRpropertyGRtaxGRrecordsGRofGR84GRpropertyGRownersGRinGRoneGRcityGRand
GRfindsGRthatGR17%GRareGRbehindGRinGRtheirGRtaxGRpayments.
A) Statistic B)GRParameter
5) FollowingGRtheGRRepublicanGRNationalGRConvention,GRaGRpollGRofGR600GRvotersGRinGRaGRcentralGRIllinoi
sGRcommunityGRshowedGRthatGR57%GRexpectedGRtheGRRepublicanGRticketGRtoGRwinGRoverGRtheGRDemocra
tGRticketGRnoGRmatterGRwhomGRtheGRDemocratsGRchoseGRforGRvice-
president.GRTheGRmarginGRofGRerrorGRwasGR4GRpercentageGRpoints.GRThereGRareGR25,000GRregisteredGRvo
tersGRinGRtheGRcommunity.GRWhichGRrangeGRofGRvaluesGRisGRlikelyGRtoGRcontainGRtheGRpopulationGRpara
meter?
A) 13,250GRtoGR15,250 B)GR24,400GRtoGR25,600
C)GR318GRtoGR366 D)GR53%GRtoGR61%
6) AGRpollGRofGR488GRcitizensGRofGRNormal,GRIllinois,GRshowedGRthatGR65%GRfavoredGRstrictGRenforcementGR
ofGRspeedGRlimitsGRwithGRaGRmarginGRofGRerrorGRofGR4%.GRAGRsecondGRpollGRofGR495GRcitizensGRofGRtheGRsa
meGRtownGRshowedGRthatGR34%GRfavoredGRstrictGRenforcementGRofGRspeedGRlimits.GRAssumingGRthatGRpro
perGRsamplingGRtechniquesGRwereGRusedGRinGRbothGRpolls,GRoneGRmayGRconcludeGRthat
A) theGRpercentGRofGRtheGRpopulationGRthatGRfavorsGRstrictGRenforcementGRofGRspeedGRlimitsGRisGR49.5%GRGR8%.
B) theGRpercentGRofGRtheGRpopulationGRthatGRfavorsGRstrictGRenforcementGRofGRspeedGRlimitsGRisGR49.5%GRGR4%.
C) oneGRorGRbothGRofGRtheGRsamplesGRmayGRhaveGRbeenGRunlikelyGRsamplesGRfromGRtheGRpopulation.
D) theGRpercentGRofGRtheGRpopulationGRthatGRfavorsGRstrictGRenforcementGRofGRspeedGRlimitsGRisGR65%GRGR8%.
7) AGRpollGRofGR700GRattendeesGRofGRtheGRTasteGRofGRChicagoGRshowedGRthatGR445GRattendees,GR65%GRofGRt
heGRsample,GRbelievedGRthatGRtheGRfoodGRwasGRoverpriced.GRItGRisGRestimatedGRthatGR1,250,000GRpeopleGR
attendGRtheGRTaste.GRAlthoughGR65%GRplusGRorGRminusGR5%GRofGRattendeesGRbelieveGRthatGRtheGRfoodGRi
sGRoverpriced,GRtheGRTasteGRisGRaGRpopularGRevent.GRTheGRrawGRdataGRofGRtheGRstudyGRisGR(are)
A) 65%GRofGRtheGRsample.
B) 700GRattendees,GR455GRattendees.
C) 1,250,000GRattendees,GR700GRattendees,GR455GRattendees.
D) (60%,GR70%)
8) AGRstudentGRwantedGRtoGRknowGRtheGRfavoriteGRlunchGRatGRaGRlargeGRhighGRschoolGRwithGRaGRclosedGRca
mpus.GRWhatGRisGRtheGRfirstGRstepGRinGRconductingGRaGRstatisticalGRstudyGRtoGRanswerGRtheGRquestion?
A) SelectGRaGRrandomGRsampleGRofGRstudents.
B) PreciselyGRstateGRtheGRgoalGRofGRtheGRstudy.
C) SelectGRaGRrandomGRsampleGRofGRstudentsGRandGRteachers.
D) SelectGRaGRrandomGRsampleGRofGRteachers.
1
CopyrightGR©GR2018GRPearsonGREducation,G
RInc.
