TEST BANK STATISTICAL REASONING FOR EVERYDAY LIFE fifth edition by Bennett and Briggs all chapters 1-10 covered, ISBN: 9780134494043
TEST BANK STATISTICAL REASONING FOR EVERYDAY LIFE fifth edition by Bennett and Briggs all chapters 1-10 covered, ISBN: 9780134494043
TEST BANK STATISTICAL REASONI...
Chapter 1 (Speaking of Statistics) Exam, form A
s s s s s s s
MULTIPLEsCHOICE.sChoosesthesonesalternativesthatsbestscompletessthesstatementsors ans
werssthesquestion.
Forsproblemss1sands2,sdetermineswhethersthesevaluatedsgroupsissaspopulationsorsassample.
1) Thesaverages(mean)sagesofsalls63sAssociatesProfessorssatsClifftonsUniversitysiss47syears.
A) Population B)sSample
2) Asresearchersexaminessthespropertystaxsrecordssofs84spropertysownerssinsonescitysandsfindssthats17%s ar
esbehindsinstheirstaxspayments.
A) Population B)sSample
Forsproblemss3sands4,sdetermineswhethersthesgivensvaluesissasstatisticsorsasparameter.
3) Thesaverages(mean)sagesofsalls63sAssociatesProfessorssatsClifftonsUniversitysiss47syears.
A) Statistic B)sParameter
4) Asresearchersexaminessthespropertystaxsrecordssofs84spropertysownerssinsonescitysandsfindssthats17%s ar
esbehindsinstheirstaxspayments.
A) Statistic B)sParameter
5) FollowingsthesRepublicansNationalsConvention,saspollsofs600svoterssinsascentralsIllinoisscommunitys sho
wedsthats57%sexpectedsthesRepublicansticketstoswinsoversthesDemocratsticketsnosmatterswhomsthes Dem
ocratsschosesforsvice-
president.sThesmarginsofserrorswass4spercentagespoints.sTheresares25,000s registeredsvoterssinsthescomm
unity.sWhichsrangesofsvaluessisslikelystoscontainsthespopulations parameter?
A)s13,250stos15,250 B)s24,400stos25,600
C)s318stos366 D)s53%stos61%
6) Aspollsofs488scitizenssofsNormal,sIllinois,sshowedsthats65%sfavoredsstrictsenforcementsofsspeedslimitss wit
hsasmarginsofserrorsofs4%.sAssecondspollsofs495scitizenssofsthessamestownsshowedsthats34%sfavoreds stricts
enforcementsofsspeedslimits.sAssumingsthatsproperssamplingstechniquessweresusedsinsbothspolls,s onesma
ysconcludesthat
A) thespercentsofsthespopulationsthatsfavorssstrictsenforcementsofsspeedslimitssiss49.5%s 8%.
B) thespercentsofsthespopulationsthatsfavorssstrictsenforcementsofsspeedslimitssiss49.5%s 4%.
C) onesorsbothsofsthessamplessmayshavesbeensunlikelyssamplessfromsthespopulation.
D) thespercentsofsthespopulationsthatsfavorssstrictsenforcementsofsspeedslimitssiss65%s 8%.
7) Aspollsofs700sattendeessofsthesTastesofsChicagosshowedsthats445sattendees,s65%sofsthessample,s believed
sthatsthesfoodswassoverpriced.sItsissestimatedsthats1,250,000speoplesattendsthesTaste.sAlthoughs 65%spluss
orsminuss5%sofsattendeessbelievesthatsthesfoodsissoverpriced,sthesTastesissaspopularsevent.s Thesrawsdatas
ofsthesstudysiss(are)
A) 65%sofsthessample.
B) 700sattendees,s455sattendees.
C) 1,250,000sattendees,s700sattendees,s455sattendees.s
D)ss (60%,s70%)
8) Asstudentswantedstosknowsthesfavoriteslunchsatsaslargeshighsschoolswithsasclosedscampus.sWhatsissthes fir
stsstepsinsconductingsasstatisticalsstudystosanswersthesquestion?
A) Selectsasrandomssamplesofsstudents.
B) Preciselysstatesthesgoalsofsthesstudy.
C) Selectsasrandomssamplesofsstudentssandsteachers.
D) Selectsasrandomssamplesofsteachers.
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