TEST BANK FOR Introductory Statistics, 10th Edition
m m m m m m mm
by Prem S. Mann
m m m
Chapterm1 Introduction
1.1 Statisticsmand mTypesmof mStatistics
1) Undermdescriptivemstatistics,mwemstudy:
A) themmethodsmtommakemdecisionsmabout monemormmorempopulationsmbased monmsamplemresults
B) themmethodsmformorganizing,mdisplaying,mand mdescribingmdata
C) howmtomdescribemthemprobabilitymdistribution
D) samplesmtomassist minmdecisionmmakin
gmAnswer:m B
Diff:m1
LO:m 1.1.0mDemonstratemanmunderstandingmof mthemtypesmof mstatistics.mSect
ion:m 1.1mStatisticsmand mTypesmof mStatistics
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm001
2) Underminferentialmstatistics,mwemstudy:
A) themmethodsmtommakemdecisionsmabout monemormmorempopulationsmbased monmsamplemresults
B) themmethodsmformorganizing,mdisplaying,mand mdescribingmdata
C) howmtomdescribemthemfrequencymdistribution
D) typesmof msummarymmeasure
smAnswer:m A
Diff:m1
LO:m 1.1.0mDemonstratemanmunderstandingmof mthemtypesmof mstatistics.mSect
ion:m 1.1mStatisticsmand mTypesmof mStatistics
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm002
3) TruemormFalse:mInmstatistics,mampopulationmconsistsmof mallmsubjectsmormobjectsmwhosemcharacteristi
csmarembeingmstudied.
Answer:m TRUEmDif
f:m1
LO:m 1.1.0mDemonstratemanmunderstandingmof mthemtypesmof mstatistics.mSect
ion:m 1.1mStatisticsmand mTypesmof mStatistics
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm003
4) Inmstatistics,mwemdefinemamsamplemas:
A) peoplemlivingminmonemcitymonly
B) themtarget mpopulation
C) allmitemsmunderminvestigation
D) amportionmof mthempopulatio
nmAnswer:m D
Diff:m1
LO:m 1.1.0mDemonstratemanmunderstandingmof mthemtypesmof mstatistics.mSect
ion:m 1.1mStatisticsmand mTypesmof mStatistics
1
,QuestionmTitle:m m Chapterm01,mTestbankmQuestionm004
1.2 BasicmTerms
1) Anmobservationmisma:
A) graphmobserved mformamdatamset
B) valuemof mamvariablemformamsinglemelement
C) tablemprepared mformamdatamset
D) samplemobserved mfrommthempopulatio
nmAnswer:m B
Diff:m1
LO:m 1.2.0mDemonstratemanmunderstandingmof mthembasicmtermsmused minmstatistics.mSec
tion:m 1.2mBasicmTerms
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm005
2) Anmindependent mgroupmwantsmtomdeterminemif mthemconsumptionmof mgasolinemhasmincreased mdue
mtomchangesminmprice.mThemgroupmrandomlymselectsm320 mgas mstationsmfrom m12mdifferent mstatesmand mc
ollectsmdatamfrommthemmonthmof mthemyearmwhenmgasmismthemcheapest mand mfrommthemmonthmof mthemyea
rmwhenmgasmismthemmost mexpensive.mThemdatamshowsmnomsignificant mdifferenceminmgasmconsumptio
nmbetweenmthemtwommonths.mInmthismexample,mwhat mismthemvariablembeingmstudied?
A) Them320mgasmstationsmchosen
B) Them12mdifferent mstates
C) Themconsumptionmof mgasoline
D) Thempricemof mgasolin
emAnswer:m C
Diff:m1
LO:m 1.2.0mDemonstratemanmunderstandingmof mthembasicmtermsmused minmstatistics.mSec
tion:m 1.2mBasicmTerms
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm006
3) A mdatamset misma:
A) set mof mdecisionsmmademabout mthempopulation
B) set mof mgraphsmand mpictures
C) collectionmof mobservationsmonmonemormmoremvariables
D) scoremcollected mfrommanmelement mof mthempopulatio
nmAnswer:m C
Diff:m1
LO:m 1.2.0mDemonstratemanmunderstandingmof mthembasicmtermsmused minmstatistics.mSec
tion:m 1.2mBasicmTerms
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm007
2
,Usemthemfollowingmtomanswermthemquestionsmbelow.
Themfollowingmtablemlistsmthemtemperaturesm(inmdegreesmFahrenheit)mof messentialmworkersmen
teringmammedicalmfacility.
Temperature
(inmdegreesmF
EssentialmWorker ahrenheit)
Sam 99.4
Betty 98.0
Lateshia 98.9
Amani 98.3
Connor 97.6
Vincent 99.6
Maria 98.0
4) What mismthemvariablemformthismdatamset
?mAnswer:m Temperature
Diff:m1
LO:m 1.2.0mDemonstratemanmunderstandingmof mthembasicmtermsmused minmstatistics.mSec
tion:m 1.2mBasicmTerms
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm008
5) How mmanymobservationsmareminmthismdatamset
?mAnswer:m 7
Diff:m1
LO:m 1.2.0mDemonstratemanmunderstandingmof mthembasicmtermsmused minmstatistics.mSec
tion:m 1.2mBasicmTerms
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm009
6) How mmanymelementsmdoesmthismdatamset mcontain
?mAnswer:m 7
Diff:m1
LO:m 1.2.0mDemonstratemanmunderstandingmof mthembasicmtermsmused minmstatistics.mSec
tion:m 1.2mBasicmTerms
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm010
1.3 Typesmof mVariables
1) A mquantitativemvariablemismthemonlymtypemof mvariablemthat mcan:
A) assumemnumericmvaluesmformwhichmarithmeticmoperationsmmakemsense
B) bemgraphed
C) bemused mtompreparemtables
D) havemnomintermediatemvalue
smAnswer:m A
Diff:m1
LO:m 1.3.0mDemonstratemanmunderstandingmof mthemtypesmof mvariablesmused minmstatistic
s.mSection:m 1.3mTypesmof mVariables
3
, QuestionmTitle:m m Chapterm01,mTestbankmQuestionm01
1
2) A mdiscretemvariablemismamvariablemthat mcanmassume:
A) categoricalmvaluesmonly
B) amcountablemset mof mvaluesmonly
C) anmuncountablemset mof mvalues
D) non-
numericalmvaluesmAnswe
r:m B
Diff:m1
LO:m 1.3.0mDemonstratemanmunderstandingmof mthemtypesmof mvariablesmused minmstatistic
s.mSection:m 1.3mTypesmof mVariables
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm012
3) A mcontinuousmvariablemismamvariablemthat mcanmassume:
A) categoricalmvaluesmonly
B) amcountablemset mof mvaluesmonly
C) anymvalueminmanminterval
D) non-
numericalmvaluesmAnswe
r:m C
Diff:m1
LO:m 1.3.0mDemonstratemanmunderstandingmof mthemtypesmof mvariablesmused minmstatistic
s.mSection:m 1.3mTypesmof mVariables
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm013
4) A mqualitativemvariablemismamvariablemthat:
A) canmassumemnumericalmvalues
B) cannot mbemgraphed
C) canmassumemanmuncountablemset mof mvalues
D) cannot mbemmeasured mnumericall
ymAnswer:m D
Diff:m1
LO:m 1.3.0mDemonstratemanmunderstandingmof mthemtypesmof mvariablesmused minmstatistic
s.mSection:m 1.3mTypesmof mVariables
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm014
5) Ismthem"sizemof mamuniversity'smenrollment mincreasemfrommlast myearmtomthismyear"manmexample
mof mqualitativemormquantitativemdata?
Answer:m QuantitativemDi
ff:m1
LO:m 1.3.0mDemonstratemanmunderstandingmof mthemtypesmof mvariablesmused minmstatistic
s.mSection:m 1.3mTypesmof mVariables
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm015
6) Ismthemvariablem"lengthsmof mtop-
tenmhit msongs"mdiscretemormcontinuous?mAnswer:m Continuous
Diff:m1
LO:m 1.3.0mDemonstratemanmunderstandingmof mthemtypesmof mvariablesmused minmstatistic
4
m m m m m m mm
by Prem S. Mann
m m m
Chapterm1 Introduction
1.1 Statisticsmand mTypesmof mStatistics
1) Undermdescriptivemstatistics,mwemstudy:
A) themmethodsmtommakemdecisionsmabout monemormmorempopulationsmbased monmsamplemresults
B) themmethodsmformorganizing,mdisplaying,mand mdescribingmdata
C) howmtomdescribemthemprobabilitymdistribution
D) samplesmtomassist minmdecisionmmakin
gmAnswer:m B
Diff:m1
LO:m 1.1.0mDemonstratemanmunderstandingmof mthemtypesmof mstatistics.mSect
ion:m 1.1mStatisticsmand mTypesmof mStatistics
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm001
2) Underminferentialmstatistics,mwemstudy:
A) themmethodsmtommakemdecisionsmabout monemormmorempopulationsmbased monmsamplemresults
B) themmethodsmformorganizing,mdisplaying,mand mdescribingmdata
C) howmtomdescribemthemfrequencymdistribution
D) typesmof msummarymmeasure
smAnswer:m A
Diff:m1
LO:m 1.1.0mDemonstratemanmunderstandingmof mthemtypesmof mstatistics.mSect
ion:m 1.1mStatisticsmand mTypesmof mStatistics
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm002
3) TruemormFalse:mInmstatistics,mampopulationmconsistsmof mallmsubjectsmormobjectsmwhosemcharacteristi
csmarembeingmstudied.
Answer:m TRUEmDif
f:m1
LO:m 1.1.0mDemonstratemanmunderstandingmof mthemtypesmof mstatistics.mSect
ion:m 1.1mStatisticsmand mTypesmof mStatistics
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm003
4) Inmstatistics,mwemdefinemamsamplemas:
A) peoplemlivingminmonemcitymonly
B) themtarget mpopulation
C) allmitemsmunderminvestigation
D) amportionmof mthempopulatio
nmAnswer:m D
Diff:m1
LO:m 1.1.0mDemonstratemanmunderstandingmof mthemtypesmof mstatistics.mSect
ion:m 1.1mStatisticsmand mTypesmof mStatistics
1
,QuestionmTitle:m m Chapterm01,mTestbankmQuestionm004
1.2 BasicmTerms
1) Anmobservationmisma:
A) graphmobserved mformamdatamset
B) valuemof mamvariablemformamsinglemelement
C) tablemprepared mformamdatamset
D) samplemobserved mfrommthempopulatio
nmAnswer:m B
Diff:m1
LO:m 1.2.0mDemonstratemanmunderstandingmof mthembasicmtermsmused minmstatistics.mSec
tion:m 1.2mBasicmTerms
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm005
2) Anmindependent mgroupmwantsmtomdeterminemif mthemconsumptionmof mgasolinemhasmincreased mdue
mtomchangesminmprice.mThemgroupmrandomlymselectsm320 mgas mstationsmfrom m12mdifferent mstatesmand mc
ollectsmdatamfrommthemmonthmof mthemyearmwhenmgasmismthemcheapest mand mfrommthemmonthmof mthemyea
rmwhenmgasmismthemmost mexpensive.mThemdatamshowsmnomsignificant mdifferenceminmgasmconsumptio
nmbetweenmthemtwommonths.mInmthismexample,mwhat mismthemvariablembeingmstudied?
A) Them320mgasmstationsmchosen
B) Them12mdifferent mstates
C) Themconsumptionmof mgasoline
D) Thempricemof mgasolin
emAnswer:m C
Diff:m1
LO:m 1.2.0mDemonstratemanmunderstandingmof mthembasicmtermsmused minmstatistics.mSec
tion:m 1.2mBasicmTerms
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm006
3) A mdatamset misma:
A) set mof mdecisionsmmademabout mthempopulation
B) set mof mgraphsmand mpictures
C) collectionmof mobservationsmonmonemormmoremvariables
D) scoremcollected mfrommanmelement mof mthempopulatio
nmAnswer:m C
Diff:m1
LO:m 1.2.0mDemonstratemanmunderstandingmof mthembasicmtermsmused minmstatistics.mSec
tion:m 1.2mBasicmTerms
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm007
2
,Usemthemfollowingmtomanswermthemquestionsmbelow.
Themfollowingmtablemlistsmthemtemperaturesm(inmdegreesmFahrenheit)mof messentialmworkersmen
teringmammedicalmfacility.
Temperature
(inmdegreesmF
EssentialmWorker ahrenheit)
Sam 99.4
Betty 98.0
Lateshia 98.9
Amani 98.3
Connor 97.6
Vincent 99.6
Maria 98.0
4) What mismthemvariablemformthismdatamset
?mAnswer:m Temperature
Diff:m1
LO:m 1.2.0mDemonstratemanmunderstandingmof mthembasicmtermsmused minmstatistics.mSec
tion:m 1.2mBasicmTerms
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm008
5) How mmanymobservationsmareminmthismdatamset
?mAnswer:m 7
Diff:m1
LO:m 1.2.0mDemonstratemanmunderstandingmof mthembasicmtermsmused minmstatistics.mSec
tion:m 1.2mBasicmTerms
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm009
6) How mmanymelementsmdoesmthismdatamset mcontain
?mAnswer:m 7
Diff:m1
LO:m 1.2.0mDemonstratemanmunderstandingmof mthembasicmtermsmused minmstatistics.mSec
tion:m 1.2mBasicmTerms
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm010
1.3 Typesmof mVariables
1) A mquantitativemvariablemismthemonlymtypemof mvariablemthat mcan:
A) assumemnumericmvaluesmformwhichmarithmeticmoperationsmmakemsense
B) bemgraphed
C) bemused mtompreparemtables
D) havemnomintermediatemvalue
smAnswer:m A
Diff:m1
LO:m 1.3.0mDemonstratemanmunderstandingmof mthemtypesmof mvariablesmused minmstatistic
s.mSection:m 1.3mTypesmof mVariables
3
, QuestionmTitle:m m Chapterm01,mTestbankmQuestionm01
1
2) A mdiscretemvariablemismamvariablemthat mcanmassume:
A) categoricalmvaluesmonly
B) amcountablemset mof mvaluesmonly
C) anmuncountablemset mof mvalues
D) non-
numericalmvaluesmAnswe
r:m B
Diff:m1
LO:m 1.3.0mDemonstratemanmunderstandingmof mthemtypesmof mvariablesmused minmstatistic
s.mSection:m 1.3mTypesmof mVariables
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm012
3) A mcontinuousmvariablemismamvariablemthat mcanmassume:
A) categoricalmvaluesmonly
B) amcountablemset mof mvaluesmonly
C) anymvalueminmanminterval
D) non-
numericalmvaluesmAnswe
r:m C
Diff:m1
LO:m 1.3.0mDemonstratemanmunderstandingmof mthemtypesmof mvariablesmused minmstatistic
s.mSection:m 1.3mTypesmof mVariables
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm013
4) A mqualitativemvariablemismamvariablemthat:
A) canmassumemnumericalmvalues
B) cannot mbemgraphed
C) canmassumemanmuncountablemset mof mvalues
D) cannot mbemmeasured mnumericall
ymAnswer:m D
Diff:m1
LO:m 1.3.0mDemonstratemanmunderstandingmof mthemtypesmof mvariablesmused minmstatistic
s.mSection:m 1.3mTypesmof mVariables
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm014
5) Ismthem"sizemof mamuniversity'smenrollment mincreasemfrommlast myearmtomthismyear"manmexample
mof mqualitativemormquantitativemdata?
Answer:m QuantitativemDi
ff:m1
LO:m 1.3.0mDemonstratemanmunderstandingmof mthemtypesmof mvariablesmused minmstatistic
s.mSection:m 1.3mTypesmof mVariables
QuestionmTitle:m m Chapterm01,mTestbankmQuestionm015
6) Ismthemvariablem"lengthsmof mtop-
tenmhit msongs"mdiscretemormcontinuous?mAnswer:m Continuous
Diff:m1
LO:m 1.3.0mDemonstratemanmunderstandingmof mthemtypesmof mvariablesmused minmstatistic
4
