ONLINE
TEST BANK
STATISTICAL REASONING FO M M
R EVERYDAY LIFE
M M
FIFTH EDITION M
Jeffrey Bennett m
University of Colorado at Boulder
m m m m
William L. Briggs m m
University of Colorado at Denver
m m m m
Mario F. Triola m m
Dutchess Community College
m m
,Themauthormandmpublishermhavemusedmtheirmbestmeffortsminmpreparingmthismsupplement. mThesemeffortsmincludemthemdev
elopment, mresearch,mandmtestingmofmthemtheoriesmandmprogramsmtomdeterminemtheirmeffectiveness. mThemauthormandmpu
blishermmakemnomwarrantymofmanymkind,mexpressedmormimplied,mwithmregardmtomthesemprogramsmormthemdocumentation
m contained minmthis mbook. m Them author m and m publisher mshall mnot mbemliable min m any m event m formincidental morm consequential
m damages minmconnection m with,morm arising m out mof, mthem furnishing, mperformance,m ormusem ofmthesemprograms.
ProvidedmbymPearsonmfrommelectronicmfilesmsuppliedmbymthemauthor.mCop
yrightm©m2018,m2014mPearsonmEducation,mInc.
PublishingmasmPearson,m501mBoylstonmStreet,mBoston,mMAm02116.
Allmrightsmreserved.mNompartmofmthismpublicationmmaymbemreproduced, mstoredminmamretrievalmsystem,mormtransmitted, mi
nmanymformmormbymanymmeans,melectronic,mmechanical,mphotocopying, mrecording,mormotherwise,mwithoutmthempriormwr
ittenmpermissionmofmthempublisher.mPrintedminmthemUnitedmStatesmofmAmerica.
ISBN-13:m 978-0-13-445697-3
ISBN-10:m 0-13-445697-1
www.pearsonhighered.com
,Contents
Chapterm1 SpeakingmofmStatistics ..................................................................................... 1
Chapterm2 MeasurementminmStatistics ............................................................................. 13
Chapterm3 VisualmDisplaysmofmData ............................................................................... 21
Chapterm4 DescribingmData ............................................................................................ 44
Chapterm5 AmNormalmWorld........................................................................................... 63
Chapterm6 ProbabilityminmStatistics ................................................................................. 71
Chapterm7 CorrelationmandmCausality ............................................................................. 83
Chapterm8 InferencesmfrommSamplesmtomPopulations.................................................... 100
Chapterm9 HypothesismTesting ..................................................................................... 108
Chapterm10 tmTests,mTwo-WaymTables,mandmANOVA.................................................. 123
Answers ........................................................................................................................... 135
iii
, Statistical Reasoning for Everyday Life
m m m m
Chapter 1 (Speaking of Statistics) Exam, form A
m m m m m m m
MULTIPLEmCHOICE.mChoosemthemonemalternativemthatmbestmcompletesmthemstatementmo
rmanswersmthemquestion.
Formproblemsm1mandm2,mdeterminemwhethermthemevaluatedmgroupmismampopulationmormamsample.
1) Themaveragem(mean)magemofmallm63mAssociatemProfessorsmatmClifftonmUniversitymism47myears.
A) Population B)mSample
2) Amresearchermexaminesmthempropertymtaxmrecordsmofm84mpropertymownersminmonemcitymandmfindsmthat
m17%marembehindminmtheirmtaxmpayments.
A) Population B)mSample
Formproblemsm3mandm4,mdeterminemwhethermthemgivenmvaluemismamstatisticmormamparameter.
3) Themaveragem(mean)magemofmallm63mAssociatemProfessorsmatmClifftonmUniversitymism47myears.
A) Statistic B)mParameter
4) Amresearchermexaminesmthempropertymtaxmrecordsmofm84mpropertymownersminmonemcitymandmfindsmthat
m17%marembehindminmtheirmtaxmpayments.
A) Statistic B)mParameter
5) FollowingmthemRepublicanmNationalmConvention,mampollmofm600mvotersminmamcentralmIllinoismcommu
nitymshowedmthatm57%mexpectedmthemRepublicanmticketmtomwinmovermthemDemocratmticketmnommatterm
whommthemDemocratsmchosemformvice-
president.mThemmarginmofmerrormwasm4mpercentagempoints.mTheremarem25,000mregisteredmvotersminmth
emcommunity.mWhichmrangemofmvaluesmismlikelymtomcontainmthempopulationmparameter?
A) 13,250mtom15,250 B)m24,400mtom25,600
C)m318mtom366 D)m53%mtom61%
6) Ampollmofm488mcitizensmofmNormal,mIllinois,mshowedmthatm65%mfavoredmstrictmenforcementmofmspeedmli
mitsmwithmammarginmofmerrormofm4%.mAmsecondmpollmofm495mcitizensmofmthemsamemtownmshowedmthatm3
4%mfavoredmstrictmenforcementmofmspeedmlimits.mAssumingmthatmpropermsamplingmtechniquesmweremus
edminmbothmpolls,monemmaymconcludemthat
A) thempercentmofmthempopulationmthatmfavorsmstrictmenforcementmofmspeedmlimitsmism49.5%mm8%.
B) thempercentmofmthempopulationmthatmfavorsmstrictmenforcementmofmspeedmlimitsmism49.5%mm4%.
C) onemormbothmofmthemsamplesmmaymhavembeenmunlikelymsamplesmfrommthempopulation.
D) thempercentmofmthempopulationmthatmfavorsmstrictmenforcementmofmspeedmlimitsmism65%mm8%.
7) Ampollmofm700mattendeesmofmthemTastemofmChicagomshowedmthatm445mattendees,m65%mofmthemsample,m
believedmthatmthemfoodmwasmoverpriced.mItmismestimatedmthatm1,250,000mpeoplemattendmthemTaste.mAlth
oughm65%mplusmormminusm5%mofmattendeesmbelievemthatmthemfoodmismoverpriced,mthemTastemismampopu
larmevent.mThemrawmdatamofmthemstudymism(are)
A) 65%mofmthemsample.
B) 700mattendees,m455mattendees.
C) 1,250,000mattendees,m700mattendees,m455mattendees.
D) (60%,m70%)
8) Amstudentmwantedmtomknowmthemfavoritemlunchmatmamlargemhighmschoolmwithmamclosedmcampus.mWhat
mismthemfirstmstepminmconductingmamstatisticalmstudymtomanswermthemquestion?
A) Selectmamrandommsamplemofmstudents.
B) Preciselymstatemthemgoalmofmthemstudy.
C) Selectmamrandommsamplemofmstudentsmandmteachers.
D) Selectmamrandommsamplemofmteachers.
1
Copyright © 2018 Pearson Education, Inc.
TEST BANK
STATISTICAL REASONING FO M M
R EVERYDAY LIFE
M M
FIFTH EDITION M
Jeffrey Bennett m
University of Colorado at Boulder
m m m m
William L. Briggs m m
University of Colorado at Denver
m m m m
Mario F. Triola m m
Dutchess Community College
m m
,Themauthormandmpublishermhavemusedmtheirmbestmeffortsminmpreparingmthismsupplement. mThesemeffortsmincludemthemdev
elopment, mresearch,mandmtestingmofmthemtheoriesmandmprogramsmtomdeterminemtheirmeffectiveness. mThemauthormandmpu
blishermmakemnomwarrantymofmanymkind,mexpressedmormimplied,mwithmregardmtomthesemprogramsmormthemdocumentation
m contained minmthis mbook. m Them author m and m publisher mshall mnot mbemliable min m any m event m formincidental morm consequential
m damages minmconnection m with,morm arising m out mof, mthem furnishing, mperformance,m ormusem ofmthesemprograms.
ProvidedmbymPearsonmfrommelectronicmfilesmsuppliedmbymthemauthor.mCop
yrightm©m2018,m2014mPearsonmEducation,mInc.
PublishingmasmPearson,m501mBoylstonmStreet,mBoston,mMAm02116.
Allmrightsmreserved.mNompartmofmthismpublicationmmaymbemreproduced, mstoredminmamretrievalmsystem,mormtransmitted, mi
nmanymformmormbymanymmeans,melectronic,mmechanical,mphotocopying, mrecording,mormotherwise,mwithoutmthempriormwr
ittenmpermissionmofmthempublisher.mPrintedminmthemUnitedmStatesmofmAmerica.
ISBN-13:m 978-0-13-445697-3
ISBN-10:m 0-13-445697-1
www.pearsonhighered.com
,Contents
Chapterm1 SpeakingmofmStatistics ..................................................................................... 1
Chapterm2 MeasurementminmStatistics ............................................................................. 13
Chapterm3 VisualmDisplaysmofmData ............................................................................... 21
Chapterm4 DescribingmData ............................................................................................ 44
Chapterm5 AmNormalmWorld........................................................................................... 63
Chapterm6 ProbabilityminmStatistics ................................................................................. 71
Chapterm7 CorrelationmandmCausality ............................................................................. 83
Chapterm8 InferencesmfrommSamplesmtomPopulations.................................................... 100
Chapterm9 HypothesismTesting ..................................................................................... 108
Chapterm10 tmTests,mTwo-WaymTables,mandmANOVA.................................................. 123
Answers ........................................................................................................................... 135
iii
, Statistical Reasoning for Everyday Life
m m m m
Chapter 1 (Speaking of Statistics) Exam, form A
m m m m m m m
MULTIPLEmCHOICE.mChoosemthemonemalternativemthatmbestmcompletesmthemstatementmo
rmanswersmthemquestion.
Formproblemsm1mandm2,mdeterminemwhethermthemevaluatedmgroupmismampopulationmormamsample.
1) Themaveragem(mean)magemofmallm63mAssociatemProfessorsmatmClifftonmUniversitymism47myears.
A) Population B)mSample
2) Amresearchermexaminesmthempropertymtaxmrecordsmofm84mpropertymownersminmonemcitymandmfindsmthat
m17%marembehindminmtheirmtaxmpayments.
A) Population B)mSample
Formproblemsm3mandm4,mdeterminemwhethermthemgivenmvaluemismamstatisticmormamparameter.
3) Themaveragem(mean)magemofmallm63mAssociatemProfessorsmatmClifftonmUniversitymism47myears.
A) Statistic B)mParameter
4) Amresearchermexaminesmthempropertymtaxmrecordsmofm84mpropertymownersminmonemcitymandmfindsmthat
m17%marembehindminmtheirmtaxmpayments.
A) Statistic B)mParameter
5) FollowingmthemRepublicanmNationalmConvention,mampollmofm600mvotersminmamcentralmIllinoismcommu
nitymshowedmthatm57%mexpectedmthemRepublicanmticketmtomwinmovermthemDemocratmticketmnommatterm
whommthemDemocratsmchosemformvice-
president.mThemmarginmofmerrormwasm4mpercentagempoints.mTheremarem25,000mregisteredmvotersminmth
emcommunity.mWhichmrangemofmvaluesmismlikelymtomcontainmthempopulationmparameter?
A) 13,250mtom15,250 B)m24,400mtom25,600
C)m318mtom366 D)m53%mtom61%
6) Ampollmofm488mcitizensmofmNormal,mIllinois,mshowedmthatm65%mfavoredmstrictmenforcementmofmspeedmli
mitsmwithmammarginmofmerrormofm4%.mAmsecondmpollmofm495mcitizensmofmthemsamemtownmshowedmthatm3
4%mfavoredmstrictmenforcementmofmspeedmlimits.mAssumingmthatmpropermsamplingmtechniquesmweremus
edminmbothmpolls,monemmaymconcludemthat
A) thempercentmofmthempopulationmthatmfavorsmstrictmenforcementmofmspeedmlimitsmism49.5%mm8%.
B) thempercentmofmthempopulationmthatmfavorsmstrictmenforcementmofmspeedmlimitsmism49.5%mm4%.
C) onemormbothmofmthemsamplesmmaymhavembeenmunlikelymsamplesmfrommthempopulation.
D) thempercentmofmthempopulationmthatmfavorsmstrictmenforcementmofmspeedmlimitsmism65%mm8%.
7) Ampollmofm700mattendeesmofmthemTastemofmChicagomshowedmthatm445mattendees,m65%mofmthemsample,m
believedmthatmthemfoodmwasmoverpriced.mItmismestimatedmthatm1,250,000mpeoplemattendmthemTaste.mAlth
oughm65%mplusmormminusm5%mofmattendeesmbelievemthatmthemfoodmismoverpriced,mthemTastemismampopu
larmevent.mThemrawmdatamofmthemstudymism(are)
A) 65%mofmthemsample.
B) 700mattendees,m455mattendees.
C) 1,250,000mattendees,m700mattendees,m455mattendees.
D) (60%,m70%)
8) Amstudentmwantedmtomknowmthemfavoritemlunchmatmamlargemhighmschoolmwithmamclosedmcampus.mWhat
mismthemfirstmstepminmconductingmamstatisticalmstudymtomanswermthemquestion?
A) Selectmamrandommsamplemofmstudents.
B) Preciselymstatemthemgoalmofmthemstudy.
C) Selectmamrandommsamplemofmstudentsmandmteachers.
D) Selectmamrandommsamplemofmteachers.
1
Copyright © 2018 Pearson Education, Inc.
