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

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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%mm8%.
B) thempercentmofmthempopulationmthatmfavorsmstrictmenforcementmofmspeedmlimitsmism49.5%mm4%.
C) onemormbothmofmthemsamplesmmaymhavembeenmunlikelymsamplesmfrommthempopulation.
D) thempercentmofmthempopulationmthatmfavorsmstrictmenforcementmofmspeedmlimitsmism65%mm8%.
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.


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