,DOWNLOADshTHEshTestshBankshforshEssentialsshofshStatisticssh7thshEditionshTriola
MULTIPLEsh CHOICE.s h Choosesh thesh onesh alternativesh thatsh bestsh completessh thesh statementsh orsh answerssh thesh question.
1) Determineshwhethershtheshgivenshdescriptionshcorrespondsshtoshanshexperimentshorshanshobservationalshstudy.shAs
hstockshanalystshselectsshashstockshfromshashgroupshofshtwentyshforshinvestmentshbyshchoosingshtheshstockshwithshth
eshgreatestshearningsshpershshareshreportedshforshtheshlastshquarter.
A) Experiment B)s h Observationalsh study
Answer:s h B
2) Identifyshwhichshtypeshofshsamplingshisshused.shTheshnameshofsheachshcontestantshisshwrittenshonshashseparateshc
ard,shtheshcardsshareshplacedshinshashbag,shandshthreeshnamesshareshpickedshfromshtheshbag.
A) Cluster
B) Simples h Random
C) Convenience
D) Systematic
E) Stratified
shAnswer:s h B
3) Identifyshwhichshtypeshofshsamplingshisshused.shToshavoidshworkingshlate,shashqualityshcontrolshanalystshsimplyshi
nspectsshtheshfirstsh100shitemsshproducedshinshashday.
A) Cluster
B) Systematic
C) Simples h Random
D) Stratified
E) Convenience
shAnswer:s h E
4) Ansheducationshexpertshisshresearchingshteachingshmethodsshandshwishesshtoshinterviewshteachersshfromshashpartic
ularshschoolshdistrict.shSheshrandomlyshselectsshtenshschoolsshfromshtheshdistrictshandshinterviewsshallshofshtheshteac
hersshatshtheshselectedshschools.shDoesshthisshsamplingshplanshresultshinshashrandomshsample?shSimpleshrandomshsa
mple?shExplain.
A) No;shno.shTheshsampleshisshnotshrandomshbecauseshteachersshinshsmallshschoolsshareshmoreshlikelyshtoshbeshsel
ectedshthans h teachersshinshlargershschools.shItshisshnotshashsimpleshrandomshsampleshbecauseshsomeshsamples
shareshnotshpossible,shsuchshasshashsampleshthatshincludesshteachersshfromshschoolsshthatshwereshnotshselected.
B) Yes;shyes.shTheshsampleshisshrandomshbecauseshallshteachersshhaveshtheshsameshchanceshofshbeingshselecte
d.shItshisshashsimpleshrandomshsampleshbecauseshallshsamplesshhaveshtheshsameshchanceshofshbeingshselect
ed.
C) No;shyes.shTheshsampleshisshnotshrandomshbecauseshteachersshinshsmallshschoolsshareshmoreshlikelyshtoshbes
hselectedshthanshteachersshinshlargershschools.shItshisshashsimpleshrandomshsampleshbecauseshallshsamplesshh
aveshtheshsameshchanceshofshbeingshselected.
D) Yes;shno.shTheshsampleshisshrandomshbecauseshallshteachersshhaveshtheshsameshchanceshofshbeingshselected.shIt
shisshnotshashsimpleshrandomshsampleshbecauseshsomeshsamplesshareshnotshpossible,shsuchshasshashsampleshth
atshincludesshteachersshfromshschoolsshthatshwereshnotshselected.
Answer:s h D
5) Identifyshtheshtypeshofshobservationalshstudyshused.shAshtownshobtainsshcurrentshemploymentshdatashbyshpollin
gsh10,000shofshitsshcitizensshthisshmonth.
A) Prospective B)shCross-sectional C)shRetrospective
D)shNoneshofshtheseshAnswer:s h B
1
mynursytest.store
,DOWNLOADshTHEshTestshBankshforshEssentialsshofshStatisticssh7thshEditionshTriola
6) Determineshwhethershtheshgivenshvalueshisshashdiscreteshorshcontinuousshvariable.shPeopleshareshaskedshtoshstateshh
owshmanyshtimess h inshtheshlastshmonthshtheyshvisitedshtheirshfamilyshdoctor.
A) Discrete B)sh Continuous
Answer:s h A
7) Determinesh whichshofsh thesh foursh levelssh ofsh measurementshissh mostshappropriate.sh Students'sh grades,sh A,sh B,shorsh C,sh
nshash test.
A) Interval B)shRatio C)shOrdinal
D)shNominalshAnswer:s h C
8) Ashtaxshauditorshselectssheverysh1000thshincomeshtaxshreturnshthatshisshreceived.shIdentifyshwhichshofshtheseshtype
sshofshsamplingshisshused.
A) Systematic
B) Simples h Random
C) Convenience
D) Stratified
E) Cluster
shAnswer:s h
A
9) Determineshwhethershtheshgivenshvalueshisshashstatisticshorshashparameter.shThirtyshpercentshofshallshdogshownerssh
poopshscoopshaftershtheirshdog.
A) Statistic B)sh Parameter
Answer:s h B
10) Determineshwhethershtheshgivenshvalueshisshfromshashdiscreteshorshcontinuousshdatashset.shTheshtimeshitshtake
sshashcomputershtoshcompleteshashtask.
A) Discrete B)sh Continuous
Answer:s h B
11) Onshashtest,sh74%shofshtheshquestionsshareshansweredshcorrectly.shIfsh111shquestionsshareshcorrect,shhowshmanyshqu
estionsshareshonshtheshtest?
A) 37shquestions B)sh67shquestions C)sh82shquestions
D)sh150shquestionsshAnswer:s h D
12) ResearchersshcollectshdatashbyshinterviewingshathletesshwhoshhaveshwonshOlympicshgoldshmedalsshfromsh1992shtos
h2016.shIdentifyshtheshtypeshofshstudy.
A) Cross-sectional B)shRetrospective C)shProspective
D)shNoneshofshtheseshAnswer:s h B
2
mynursytest.store
, DOWNLOADshTHEshTestshBankshforshEssentialsshofshStatisticssh7thshEditionshTriola
13) Ashpsychologyshstudentshwishesshtoshinvestigateshdifferencesshinshpoliticalshopinionsshbetweenshbusinessshmajorssh
andshpoliticalshsciences h majorss h ats h hers h college.s h Shes h randomlys h selectss h 100s h studentss h froms h thes h 260s h bus
inesss h majorss h ands h 100s h studentsshfromshthesh180shpoliticalshscienceshmajors.shDoesshthisshsamplingshplanshresult
shinshashrandomshsample?shSimpleshrandomshsample?shExplain.
A) Yes;shno.shTheshsampleshisshrandomshbecauseshallshstudentsshhaveshtheshsameshchanceshofshbeingshselected.shI
tshisshnotshashsimpleshrandoms h samples h becauses h somes h sampless h ares h nots h possible,s h suchs h ass h as h samp
les h consistings h ofs h 50s h businesss h majorsshandsh150shpoliticalshscienceshmajors.
B) No;shyes.shTheshsampleshisshnotshrandomshbecauseshpoliticalshscienceshmajorsshhaveshashgreatershchanceshofs
hbeingshselectedshthanshbusinessshmajors.shItshisshashsimpleshrandomshsampleshbecauseshallshsamplesshofshsiz
esh200shhaveshtheshsameshchanceshofshbeingshselected.
C) No;shno.shTheshsampleshisshnotshrandomshbecauseshpoliticalshscienceshmajorsshhaveshashgreatershchanceshof
shbeingshselectedshthanshbusinessshmajors.shItshisshnotshashsimpleshrandomshsampleshbecauseshsomeshsampl
esshareshnotshpossible,shsuchshasshashsampleshconsistingshofsh50shbusinessshmajorsshandsh150shpoliticalshscie
nceshmajors.
D) Yes;shyes.shTheshsampleshisshrandomshbecauseshallshstudentsshhaveshtheshsameshchanceshofshbeingshselecte
d.shItshisshashsimpleshrandomshsampleshbecauseshallshsamplesshofshsizesh200shhaveshtheshsameshchanceshofs
hbeingshselected.
Answer:s h C
14) Correlationsh doesshnotshimplysh .
A) linearity B)shcausation C)shbias
D)shsignificanceshAnswer:s h B
15) Thereshareshmanyshpotentialshpitfallsshthatshcanshcauseshproblemsshwhenshanalyzingshdata.shWhichshofshthesesh
choicesshareshnotshclassifiedshasshashpotentialshpitfall?
A) Nonresponse B)s h Self-reportedsh data
C)shOrdershofshsurveyshquestions
D)shMeasuredshda
tashAnswer:s h D
16) Ashmanagementshsurveyshforshashcompanyshsurveyedsh235shemployees.sh44.7%shofshtheshemployeesshsurveyedsh
wereshfemales.shTheshnumbershofshmalesshwouldshbesh .
A) 13 B)sh 105
C)sh 130 D)sh Unableshtosh determine
Answer:s h C
17) Whatshtypesh ofsh datash valuessh aresh quantitativesh andshthesh numbersh ofsh valuessh isshfinitesh orsh countable?
A) Discrete B)shCategorical C)shInterval
D)shContinuousshAnswer:s h A
18) Ash isshthesh collectionshofsh datash fromsh everyshmembersh ofshthesh population.
A) placebo B)shstatistic C)shsample
D)shcensusshAnswer:s h D
19) Ash isshtheshcompleteshcollectionshofshallshmeasurementsshorshdatashcollected,shwhereas,shash
isshashsubcollectionshofshmembersshselectedshfromshtheshcompleteshcollection.
A) sample;s h population B)s h population;sh parameter
C)s h sample;sh census D)s h population;sh sample
Answer:s h D
3
mynursytest.store
MULTIPLEsh CHOICE.s h Choosesh thesh onesh alternativesh thatsh bestsh completessh thesh statementsh orsh answerssh thesh question.
1) Determineshwhethershtheshgivenshdescriptionshcorrespondsshtoshanshexperimentshorshanshobservationalshstudy.shAs
hstockshanalystshselectsshashstockshfromshashgroupshofshtwentyshforshinvestmentshbyshchoosingshtheshstockshwithshth
eshgreatestshearningsshpershshareshreportedshforshtheshlastshquarter.
A) Experiment B)s h Observationalsh study
Answer:s h B
2) Identifyshwhichshtypeshofshsamplingshisshused.shTheshnameshofsheachshcontestantshisshwrittenshonshashseparateshc
ard,shtheshcardsshareshplacedshinshashbag,shandshthreeshnamesshareshpickedshfromshtheshbag.
A) Cluster
B) Simples h Random
C) Convenience
D) Systematic
E) Stratified
shAnswer:s h B
3) Identifyshwhichshtypeshofshsamplingshisshused.shToshavoidshworkingshlate,shashqualityshcontrolshanalystshsimplyshi
nspectsshtheshfirstsh100shitemsshproducedshinshashday.
A) Cluster
B) Systematic
C) Simples h Random
D) Stratified
E) Convenience
shAnswer:s h E
4) Ansheducationshexpertshisshresearchingshteachingshmethodsshandshwishesshtoshinterviewshteachersshfromshashpartic
ularshschoolshdistrict.shSheshrandomlyshselectsshtenshschoolsshfromshtheshdistrictshandshinterviewsshallshofshtheshteac
hersshatshtheshselectedshschools.shDoesshthisshsamplingshplanshresultshinshashrandomshsample?shSimpleshrandomshsa
mple?shExplain.
A) No;shno.shTheshsampleshisshnotshrandomshbecauseshteachersshinshsmallshschoolsshareshmoreshlikelyshtoshbeshsel
ectedshthans h teachersshinshlargershschools.shItshisshnotshashsimpleshrandomshsampleshbecauseshsomeshsamples
shareshnotshpossible,shsuchshasshashsampleshthatshincludesshteachersshfromshschoolsshthatshwereshnotshselected.
B) Yes;shyes.shTheshsampleshisshrandomshbecauseshallshteachersshhaveshtheshsameshchanceshofshbeingshselecte
d.shItshisshashsimpleshrandomshsampleshbecauseshallshsamplesshhaveshtheshsameshchanceshofshbeingshselect
ed.
C) No;shyes.shTheshsampleshisshnotshrandomshbecauseshteachersshinshsmallshschoolsshareshmoreshlikelyshtoshbes
hselectedshthanshteachersshinshlargershschools.shItshisshashsimpleshrandomshsampleshbecauseshallshsamplesshh
aveshtheshsameshchanceshofshbeingshselected.
D) Yes;shno.shTheshsampleshisshrandomshbecauseshallshteachersshhaveshtheshsameshchanceshofshbeingshselected.shIt
shisshnotshashsimpleshrandomshsampleshbecauseshsomeshsamplesshareshnotshpossible,shsuchshasshashsampleshth
atshincludesshteachersshfromshschoolsshthatshwereshnotshselected.
Answer:s h D
5) Identifyshtheshtypeshofshobservationalshstudyshused.shAshtownshobtainsshcurrentshemploymentshdatashbyshpollin
gsh10,000shofshitsshcitizensshthisshmonth.
A) Prospective B)shCross-sectional C)shRetrospective
D)shNoneshofshtheseshAnswer:s h B
1
mynursytest.store
,DOWNLOADshTHEshTestshBankshforshEssentialsshofshStatisticssh7thshEditionshTriola
6) Determineshwhethershtheshgivenshvalueshisshashdiscreteshorshcontinuousshvariable.shPeopleshareshaskedshtoshstateshh
owshmanyshtimess h inshtheshlastshmonthshtheyshvisitedshtheirshfamilyshdoctor.
A) Discrete B)sh Continuous
Answer:s h A
7) Determinesh whichshofsh thesh foursh levelssh ofsh measurementshissh mostshappropriate.sh Students'sh grades,sh A,sh B,shorsh C,sh
nshash test.
A) Interval B)shRatio C)shOrdinal
D)shNominalshAnswer:s h C
8) Ashtaxshauditorshselectssheverysh1000thshincomeshtaxshreturnshthatshisshreceived.shIdentifyshwhichshofshtheseshtype
sshofshsamplingshisshused.
A) Systematic
B) Simples h Random
C) Convenience
D) Stratified
E) Cluster
shAnswer:s h
A
9) Determineshwhethershtheshgivenshvalueshisshashstatisticshorshashparameter.shThirtyshpercentshofshallshdogshownerssh
poopshscoopshaftershtheirshdog.
A) Statistic B)sh Parameter
Answer:s h B
10) Determineshwhethershtheshgivenshvalueshisshfromshashdiscreteshorshcontinuousshdatashset.shTheshtimeshitshtake
sshashcomputershtoshcompleteshashtask.
A) Discrete B)sh Continuous
Answer:s h B
11) Onshashtest,sh74%shofshtheshquestionsshareshansweredshcorrectly.shIfsh111shquestionsshareshcorrect,shhowshmanyshqu
estionsshareshonshtheshtest?
A) 37shquestions B)sh67shquestions C)sh82shquestions
D)sh150shquestionsshAnswer:s h D
12) ResearchersshcollectshdatashbyshinterviewingshathletesshwhoshhaveshwonshOlympicshgoldshmedalsshfromsh1992shtos
h2016.shIdentifyshtheshtypeshofshstudy.
A) Cross-sectional B)shRetrospective C)shProspective
D)shNoneshofshtheseshAnswer:s h B
2
mynursytest.store
, DOWNLOADshTHEshTestshBankshforshEssentialsshofshStatisticssh7thshEditionshTriola
13) Ashpsychologyshstudentshwishesshtoshinvestigateshdifferencesshinshpoliticalshopinionsshbetweenshbusinessshmajorssh
andshpoliticalshsciences h majorss h ats h hers h college.s h Shes h randomlys h selectss h 100s h studentss h froms h thes h 260s h bus
inesss h majorss h ands h 100s h studentsshfromshthesh180shpoliticalshscienceshmajors.shDoesshthisshsamplingshplanshresult
shinshashrandomshsample?shSimpleshrandomshsample?shExplain.
A) Yes;shno.shTheshsampleshisshrandomshbecauseshallshstudentsshhaveshtheshsameshchanceshofshbeingshselected.shI
tshisshnotshashsimpleshrandoms h samples h becauses h somes h sampless h ares h nots h possible,s h suchs h ass h as h samp
les h consistings h ofs h 50s h businesss h majorsshandsh150shpoliticalshscienceshmajors.
B) No;shyes.shTheshsampleshisshnotshrandomshbecauseshpoliticalshscienceshmajorsshhaveshashgreatershchanceshofs
hbeingshselectedshthanshbusinessshmajors.shItshisshashsimpleshrandomshsampleshbecauseshallshsamplesshofshsiz
esh200shhaveshtheshsameshchanceshofshbeingshselected.
C) No;shno.shTheshsampleshisshnotshrandomshbecauseshpoliticalshscienceshmajorsshhaveshashgreatershchanceshof
shbeingshselectedshthanshbusinessshmajors.shItshisshnotshashsimpleshrandomshsampleshbecauseshsomeshsampl
esshareshnotshpossible,shsuchshasshashsampleshconsistingshofsh50shbusinessshmajorsshandsh150shpoliticalshscie
nceshmajors.
D) Yes;shyes.shTheshsampleshisshrandomshbecauseshallshstudentsshhaveshtheshsameshchanceshofshbeingshselecte
d.shItshisshashsimpleshrandomshsampleshbecauseshallshsamplesshofshsizesh200shhaveshtheshsameshchanceshofs
hbeingshselected.
Answer:s h C
14) Correlationsh doesshnotshimplysh .
A) linearity B)shcausation C)shbias
D)shsignificanceshAnswer:s h B
15) Thereshareshmanyshpotentialshpitfallsshthatshcanshcauseshproblemsshwhenshanalyzingshdata.shWhichshofshthesesh
choicesshareshnotshclassifiedshasshashpotentialshpitfall?
A) Nonresponse B)s h Self-reportedsh data
C)shOrdershofshsurveyshquestions
D)shMeasuredshda
tashAnswer:s h D
16) Ashmanagementshsurveyshforshashcompanyshsurveyedsh235shemployees.sh44.7%shofshtheshemployeesshsurveyedsh
wereshfemales.shTheshnumbershofshmalesshwouldshbesh .
A) 13 B)sh 105
C)sh 130 D)sh Unableshtosh determine
Answer:s h C
17) Whatshtypesh ofsh datash valuessh aresh quantitativesh andshthesh numbersh ofsh valuessh isshfinitesh orsh countable?
A) Discrete B)shCategorical C)shInterval
D)shContinuousshAnswer:s h A
18) Ash isshthesh collectionshofsh datash fromsh everyshmembersh ofshthesh population.
A) placebo B)shstatistic C)shsample
D)shcensusshAnswer:s h D
19) Ash isshtheshcompleteshcollectionshofshallshmeasurementsshorshdatashcollected,shwhereas,shash
isshashsubcollectionshofshmembersshselectedshfromshtheshcompleteshcollection.
A) sample;s h population B)s h population;sh parameter
C)s h sample;sh census D)s h population;sh sample
Answer:s h D
3
mynursytest.store
