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

ONLINE TES G




T BANK
G




STATISTICAL REASONING FO
G G




R EVERYDAY LIFE
G G




FIFTH EDITION
G




Jeffrey Bennettg


UniversitygofgColoradogatgBoulder



William L. Briggs g g


UniversitygofgColoradogatgDenver



Mario F. Triola
g g


DutchessgCommunitygCollege

,Thegauthorgandgpublisherghavegusedgtheirgbestgeffortsgingpreparinggthisgsupplement.gThesegeffortsgincludegthegdevel
opment,gresearch,gandgtestinggofgthegtheoriesgandgprogramsgtogdetermine gtheirgeffectiveness.gThegauthorgandgpublis
hergmakegnogwarrantygofganygkind,gexpressedgorgimplied,gwithgregardgtogthesegprogramsgorgthegdocumentation gcont
ainedgingthisgbook.gThegauthorgandgpublishergshallgnotgbegliableginganygeventgforgincidentalgorgconsequential gdama
gesgingconnectiongwith,gorgarisinggoutgof,gthegfurnishing,gperformance,gorgusegofgthesegprograms.

ProvidedgbygPearsongfromgelectronic gfilesgsuppliedgbygthegauthor.gCopyr

ightg©g2018,g2014gPearsongEducation, gInc.
PublishinggasgPearson,g501gBoylstongStreet,gBoston,gMAg02116.

Allgrightsgreserved.gNogpartgofgthisgpublicationgmaygbegreproduced,gstoredgingagretrievalgsystem,gorgtransmitted, ging
anygformgorgbyganygmeans,gelectronic,gmechanical,gphotocopying,grecording,gorgotherwise,gwithoutgthegpriorgwritte
ngpermissiongofgthegpublisher.gPrintedgingthegUnitedgStatesgofgAmerica.

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




www.pearsonhighered.com

,Contents


Chapterg1 SpeakinggofgStatistics ...................................................................................... 1


Chapterg2 MeasurementgingStatistics ............................................................................. 13


Chapterg3 VisualgDisplaysgofgData ................................................................................ 21


Chapterg4 DescribinggData ............................................................................................ 44


Chapterg5 AgNormalgWorld ........................................................................................... 63


Chapterg6 ProbabilitygingStatistics ................................................................................. 71


Chapterg7 CorrelationgandgCausality ............................................................................. 83


Chapterg8 InferencesgfromgSamplesgtogPopulations .................................................... 100


Chapterg9 HypothesisgTesting ..................................................................................... 108


Chapterg10 tgTests,gTwo-WaygTables,gandgANOVA .................................................. 123


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




iii

, StatisticalgReasoninggforgEverydaygLife
Chapterg1g(SpeakinggofgStatistics)gExam,gformgA
MULTIPLEgCHOICE.gChoosegthegonegalternativegthatgbestgcompletesgthegstatementgorg
answersgthegquestion.
Forgproblemsg1gandg2,gdeterminegwhethergthegevaluatedggroupgisgagpopulationgorgagsample.
1) Thegaverageg(mean)gagegofgallg63gAssociategProfessorsgatgClifftongUniversitygisg47gyears.
A) Population B)gSample
2) Agresearchergexaminesgthegpropertygtaxgrecordsgofg84gpropertygownersgingonegcitygandgfindsgthatg
17%garegbehindgingtheirgtaxgpayments.
A) Population B)gSample
Forgproblemsg3gandg4,gdeterminegwhethergtheggivengvaluegisgagstatisticgorgagparameter.
3) Thegaverageg(mean)gagegofgallg63gAssociategProfessorsgatgClifftongUniversitygisg47gyears.
A) Statistic B)gParameter
4) Agresearchergexaminesgthegpropertygtaxgrecordsgofg84gpropertygownersgingonegcitygandgfindsgthatg
17%garegbehindgingtheirgtaxgpayments.
A) Statistic B)gParameter
5) FollowinggthegRepublicangNationalgConvention,gagpollgofg600gvotersgingagcentralgIllinoisgcommuni
tygshowedgthatg57%gexpectedgthegRepublicangticketgtogwingovergthegDemocratgticketgnogmattergwh
omgthegDemocratsgchosegforgvice-
president.gThegmargingofgerrorgwasg4gpercentagegpoints.gTheregareg25,000gregisteredgvotersgingtheg
community.gWhichgrangegofgvaluesgisglikelygtogcontaingthegpopulationgparameter?
A) 13,250gtog15,250 B)g24,400gtog25,600
C)g318gtog366 D)g53%gtog61%
6) Agpollgofg488gcitizensgofgNormal,gIllinois,gshowedgthatg65%gfavoredgstrictgenforcementgofgspeedgli
mitsgwithgagmargingofgerrorgofg4%.gAgsecondgpollgofg495gcitizensgofgthegsamegtowngshowedgthatg34
%gfavoredgstrictgenforcementgofgspeedglimits.gAssuminggthatgpropergsamplinggtechniquesgweregused
gingbothgpolls,gonegmaygconcludegthat

A) thegpercentgofgthegpopulationgthatgfavorsgstrictgenforcementgofgspeedglimitsgisg49.5%gg8%.
B) thegpercentgofgthegpopulationgthatgfavorsgstrictgenforcementgofgspeedglimitsgisg49.5%gg4%.
C) onegorgbothgofgthegsamplesgmayghavegbeengunlikelygsamplesgfromgthegpopulation.
D) thegpercentgofgthegpopulationgthatgfavorsgstrictgenforcementgofgspeedglimitsgisg65%gg8%.
7) Agpollgofg700gattendeesgofgthegTastegofgChicagogshowedgthatg445gattendees,g65%gofgthegsample,gb
elievedgthatgthegfoodgwasgoverpriced.gItgisgestimatedgthatg1,250,000gpeoplegattendgthegTaste.gAlthou
ghg65%gplusgorgminusg5%gofgattendeesgbelievegthatgthegfoodgisgoverpriced,gthegTastegisgagpopularg
event.gThegrawgdatagofgthegstudygisg(are)
A) 65%gofgthegsample.
B) 700gattendees,g455gattendees.
C) 1,250,000gattendees,g700gattendees,g455gattendees.
D) (60%,g70%)
8) Agstudentgwantedgtogknowgthegfavoriteglunchgatgaglargeghighgschoolgwithgagclosedgcampus.gWhatgi
sgthegfirstgstepgingconductinggagstatisticalgstudygtoganswergthegquestion?
A) Selectgagrandomgsamplegofgstudents.
B) Preciselygstategtheggoalgofgthegstudy.
C) Selectgagrandomgsamplegofgstudentsgandgteachers.
D) Selectgagrandomgsamplegofgteachers.


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.