2016
Basic Business Statistics
m m
Concepts and Application – 13th edition
m m m m m
Test Bankm
Cairo University
m
Faculty of Commerce
m m Mat
mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
h & Insurance Department
m m m
1/1/2016
, ChaptermOne:mDefiningmandmcollectingmData
1. Whichmofmthemfollowingmismamcontinuousmquantitativem(numerical)mvariable?
a) Themtimemitmtakesmtomdownloadmthemupdatemformyour b) Themgendermofmamstuden
mnewmmobilemapp t
c) Themnumbermofmtextmmessagesmthatmhavembeenmsent d) Themnumbermofmitemsmp
mlastmweek urchased
2. Whichmofmthemfollowingmismamcontinuousmquantitativem(numerical)mvariable?
a) Themcolormofmamstude b) Themnumbermofmemployeesmofmanminsurancemcompany
nt’smeyes
c) Themamountmofmmilkmi d) Themnumbermofmgallonsmofmmilkmsoldmatmthemlocalmgroce
nmam2-litermcarton rymstoremyesterday
3. Whichmofmthemfollowingmismamdiscretemquantitativem(numerical)mvariable?
a)mThemDowmJonesmIndustrialmaver
b)mThemvolumemofmwatermreleasedmfrommamdam
age
c)mThemdistancemyoumdrovemyester d)mThemnumbermofmemployeesmofmanminsurancemcom
day. pany
4. Inmstatistics,mampopulationmconsistsmof:m
b)mmallmpeoplemlivingminmthemareamun
a) allmpeoplemlivingminmamcountry
dermstudy
c)mmallmsubjectsmormobjectsmwhosemcharacteristicsm d)mmamselectionmofmamlimitedmnumber
arembeingmstudied mofmelements
5. Inmstatistics,mwemdefinemamsamplemas:
a) peoplemlivingminmonemcitymonly b) allmitemsmunderminvestigation
c) themtargetmpopulation d) amportionmofmthempopulation
6. ResearchersmaremconcernedmthatmthemweightmofmthemaveragemAmericanmschoolmchildmismin
creasingmimplying,mamongmothermthings,mthatmchildren’smclothingmshouldmbemmanufactur
2
, edmandmmarketedminmlargermsizes.mIfmXmismthemweightmofmschoolmchildrenmsampledminmamna
tionwidemstudy,mthenmXmismanmexamplemof:
a)mamcategoricalmvariable. b)mamdiscretemvariable.
c)mamcontinuousmvariable. d)mamtablemofmrandommnumbers.
7. Themclassificationmofmstudentmclassmdesignationm(freshman,msophomore,mjunior,msenior)mi
smanmexamplemof:
a)mamcategoricalmvariable. b)mamdiscretemvariable.
c)mamcontinuousmvariable. d)mamtablemofmrandommnumbers.
8. thempossiblemresponsesmtomthemquestionm"Inmwhichmyearmweremyoumborn?"maremvaluesmfr
omma:
a)mDiscretemnumericalmvariable b)mContinuousmnumericalmvariable
c)mCategoricalmvariable. d)mTablemofmrandommnumbers.
9. thempossiblemresponsesmtomthemquestionm"Whatmismyourmannualmincomemroundedmtomthem
nearestmthousands?"mresultmin
a)mamnominalmscalemvariable. b)manmordinalmscalemvariable.
c)manmintervalmscalemvariable. d)mamratiomscalemvariable.
10. thempossiblemresponsesmtomthemquestionm"Howmwouldmyoumratemthemqualitymofmyourmpurc
hasemexperiencemwithm1m=mexcellent,m2m=mgood,m3m=mdecent,m4m=mpoor,m5m=mterrible?"mres
ultmin
a)mamnominalmscalemvariable. b)manmordinalmscalemvariable.
c)manmintervalmscalemvariable. d)mamratiomscalemvariable.
11. mthempossiblemresponsesmtomthemquestionm"Outmofmam100mpointmscoremwithm100mbeingmthe
mhighestmandm0mbeingmthemlowest,mwhatmismyourmsatisfactionmlevelmwithmthemBlu-
raymplayermthatmyoumpurchased?"mresultmin
a) amnominalmscalemvariable. b) anmordinalmscalemvariable.
c) anmintervalmscalemvariable. d) amratiomscalemvariable.
12. Anminsurancemcompanymevaluatesmmanymnumericalmvariablesmaboutmampersonmbeforemde
cidingmonmanmappropriatemratemformautomobileminsurance.mThemnumbermofmclaimsmampers
onmhasmmademinmthemlastm3myearsmismanmexamplemofmam_______mnumericalmvariable.
a) Discrete b) Continuous
c) Categorical d) Ordinal
3
, 13. Amdiscretemvariablemismamvariablemthatmcanmassume:
a)mmcategoricalmvaluesmonly b)manmuncountablemsetmofmvalues
c)amcountablemsetmofmvaluesmonly d)mmnon-numericalmvalues
14. Amcontinuousmvariablemismamvariablemthatmcanmassume:
a)mcategoricalmvaluesmonly b)mmanmuncountablemsetmofmvalues
c)mmamcountablemsetmofmvaluesmonly d)mmnon-numericalmvalues
15. AmWallmStreetmJournalmpollmaskedm2,150madultsminmthemU.S.mamseriesmofmquestionsmtomfindm
outmtheirmviewmonmthemU.S.meconomy.
thempopulationmofminterestmis
a)mallmthemmalesmlivingminmthemU.S.mwhenmthe b)mallmthemfemalesmlivingminmthemU.S.mwhenmth
mpolledmwasmtaken. empolledmwasmtaken.
c)mallmthemadultsmlivingminmthemU.S.mwhenmth d)mallmthempeoplemlivingminmthemU.S.mwhenmthe
empollmwasmtaken. mpollmwasmtaken.
16. AmWallmStreetmJournalmpollmaskedm2,150madultsminmthemU.S.mamseriesmofmquestionsmtommfind
moutmtheirmviewmonmthemU.S.meconomy,mthem2,150madultsmmakemup
a)mthempopulation b)mthemsample
c)mthemprimarymdatamsource d)mthemsecondarymdatamsource
17. thempossiblemresponsesmtomthemquestionm"Aremyoum1.mCurrentlymemployed,m2.mUnemploy
edmbutmactivelymlookingmformjob,m3.mUnemployedmandmquitmlookingmformjob?"maremvaluesmf
romma
a)mdiscretemnumericalmvariable. b)mcontinuousmnumericalmvariable.
c)mcategoricalmvariable. d)mtablemofmrandommnumbers.
18. Whichmofmthemfollowingmismmostmlikelymampopulationmasmopposedmtomamsample?
a)mrespondentsmtomamnewspapermsurvey. b)mthemfirstm5mstudentsmcompletingmanmassignme
nt.
c)meverymthirdmpersonmtomarrivematmthemba d)mregisteredmvotersminmamcounty.
nk.
19. AmstudymismundermwayminmYosemitemNationalmForestmtomdeterminemthemadultmheightmofmA
mericanmpinemtrees.mSpecifically,mthemstudymismattemptingmtomdeterminemwhatmfactorsmai
dmamtreeminmreachingmheightsmgreatermthanm60mfeetmtall.mItmismestimatedmthatmthemforestmc
ontainsm25,000madultmAmericanmpines.mThemstudyminvolvesmcollectingmheightsmfromm250mr
andomlymselectedmadultmAmericanmpinemtreesmandmanalyzingmthemresults.mIdentifymthempo
pulationmfrommwhichmthemstudymwasmsampled.
4
Basic Business Statistics
m m
Concepts and Application – 13th edition
m m m m m
Test Bankm
Cairo University
m
Faculty of Commerce
m m Mat
mmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmmm
h & Insurance Department
m m m
1/1/2016
, ChaptermOne:mDefiningmandmcollectingmData
1. Whichmofmthemfollowingmismamcontinuousmquantitativem(numerical)mvariable?
a) Themtimemitmtakesmtomdownloadmthemupdatemformyour b) Themgendermofmamstuden
mnewmmobilemapp t
c) Themnumbermofmtextmmessagesmthatmhavembeenmsent d) Themnumbermofmitemsmp
mlastmweek urchased
2. Whichmofmthemfollowingmismamcontinuousmquantitativem(numerical)mvariable?
a) Themcolormofmamstude b) Themnumbermofmemployeesmofmanminsurancemcompany
nt’smeyes
c) Themamountmofmmilkmi d) Themnumbermofmgallonsmofmmilkmsoldmatmthemlocalmgroce
nmam2-litermcarton rymstoremyesterday
3. Whichmofmthemfollowingmismamdiscretemquantitativem(numerical)mvariable?
a)mThemDowmJonesmIndustrialmaver
b)mThemvolumemofmwatermreleasedmfrommamdam
age
c)mThemdistancemyoumdrovemyester d)mThemnumbermofmemployeesmofmanminsurancemcom
day. pany
4. Inmstatistics,mampopulationmconsistsmof:m
b)mmallmpeoplemlivingminmthemareamun
a) allmpeoplemlivingminmamcountry
dermstudy
c)mmallmsubjectsmormobjectsmwhosemcharacteristicsm d)mmamselectionmofmamlimitedmnumber
arembeingmstudied mofmelements
5. Inmstatistics,mwemdefinemamsamplemas:
a) peoplemlivingminmonemcitymonly b) allmitemsmunderminvestigation
c) themtargetmpopulation d) amportionmofmthempopulation
6. ResearchersmaremconcernedmthatmthemweightmofmthemaveragemAmericanmschoolmchildmismin
creasingmimplying,mamongmothermthings,mthatmchildren’smclothingmshouldmbemmanufactur
2
, edmandmmarketedminmlargermsizes.mIfmXmismthemweightmofmschoolmchildrenmsampledminmamna
tionwidemstudy,mthenmXmismanmexamplemof:
a)mamcategoricalmvariable. b)mamdiscretemvariable.
c)mamcontinuousmvariable. d)mamtablemofmrandommnumbers.
7. Themclassificationmofmstudentmclassmdesignationm(freshman,msophomore,mjunior,msenior)mi
smanmexamplemof:
a)mamcategoricalmvariable. b)mamdiscretemvariable.
c)mamcontinuousmvariable. d)mamtablemofmrandommnumbers.
8. thempossiblemresponsesmtomthemquestionm"Inmwhichmyearmweremyoumborn?"maremvaluesmfr
omma:
a)mDiscretemnumericalmvariable b)mContinuousmnumericalmvariable
c)mCategoricalmvariable. d)mTablemofmrandommnumbers.
9. thempossiblemresponsesmtomthemquestionm"Whatmismyourmannualmincomemroundedmtomthem
nearestmthousands?"mresultmin
a)mamnominalmscalemvariable. b)manmordinalmscalemvariable.
c)manmintervalmscalemvariable. d)mamratiomscalemvariable.
10. thempossiblemresponsesmtomthemquestionm"Howmwouldmyoumratemthemqualitymofmyourmpurc
hasemexperiencemwithm1m=mexcellent,m2m=mgood,m3m=mdecent,m4m=mpoor,m5m=mterrible?"mres
ultmin
a)mamnominalmscalemvariable. b)manmordinalmscalemvariable.
c)manmintervalmscalemvariable. d)mamratiomscalemvariable.
11. mthempossiblemresponsesmtomthemquestionm"Outmofmam100mpointmscoremwithm100mbeingmthe
mhighestmandm0mbeingmthemlowest,mwhatmismyourmsatisfactionmlevelmwithmthemBlu-
raymplayermthatmyoumpurchased?"mresultmin
a) amnominalmscalemvariable. b) anmordinalmscalemvariable.
c) anmintervalmscalemvariable. d) amratiomscalemvariable.
12. Anminsurancemcompanymevaluatesmmanymnumericalmvariablesmaboutmampersonmbeforemde
cidingmonmanmappropriatemratemformautomobileminsurance.mThemnumbermofmclaimsmampers
onmhasmmademinmthemlastm3myearsmismanmexamplemofmam_______mnumericalmvariable.
a) Discrete b) Continuous
c) Categorical d) Ordinal
3
, 13. Amdiscretemvariablemismamvariablemthatmcanmassume:
a)mmcategoricalmvaluesmonly b)manmuncountablemsetmofmvalues
c)amcountablemsetmofmvaluesmonly d)mmnon-numericalmvalues
14. Amcontinuousmvariablemismamvariablemthatmcanmassume:
a)mcategoricalmvaluesmonly b)mmanmuncountablemsetmofmvalues
c)mmamcountablemsetmofmvaluesmonly d)mmnon-numericalmvalues
15. AmWallmStreetmJournalmpollmaskedm2,150madultsminmthemU.S.mamseriesmofmquestionsmtomfindm
outmtheirmviewmonmthemU.S.meconomy.
thempopulationmofminterestmis
a)mallmthemmalesmlivingminmthemU.S.mwhenmthe b)mallmthemfemalesmlivingminmthemU.S.mwhenmth
mpolledmwasmtaken. empolledmwasmtaken.
c)mallmthemadultsmlivingminmthemU.S.mwhenmth d)mallmthempeoplemlivingminmthemU.S.mwhenmthe
empollmwasmtaken. mpollmwasmtaken.
16. AmWallmStreetmJournalmpollmaskedm2,150madultsminmthemU.S.mamseriesmofmquestionsmtommfind
moutmtheirmviewmonmthemU.S.meconomy,mthem2,150madultsmmakemup
a)mthempopulation b)mthemsample
c)mthemprimarymdatamsource d)mthemsecondarymdatamsource
17. thempossiblemresponsesmtomthemquestionm"Aremyoum1.mCurrentlymemployed,m2.mUnemploy
edmbutmactivelymlookingmformjob,m3.mUnemployedmandmquitmlookingmformjob?"maremvaluesmf
romma
a)mdiscretemnumericalmvariable. b)mcontinuousmnumericalmvariable.
c)mcategoricalmvariable. d)mtablemofmrandommnumbers.
18. Whichmofmthemfollowingmismmostmlikelymampopulationmasmopposedmtomamsample?
a)mrespondentsmtomamnewspapermsurvey. b)mthemfirstm5mstudentsmcompletingmanmassignme
nt.
c)meverymthirdmpersonmtomarrivematmthemba d)mregisteredmvotersminmamcounty.
nk.
19. AmstudymismundermwayminmYosemitemNationalmForestmtomdeterminemthemadultmheightmofmA
mericanmpinemtrees.mSpecifically,mthemstudymismattemptingmtomdeterminemwhatmfactorsmai
dmamtreeminmreachingmheightsmgreatermthanm60mfeetmtall.mItmismestimatedmthatmthemforestmc
ontainsm25,000madultmAmericanmpines.mThemstudyminvolvesmcollectingmheightsmfromm250mr
andomlymselectedmadultmAmericanmpinemtreesmandmanalyzingmthemresults.mIdentifymthempo
pulationmfrommwhichmthemstudymwasmsampled.
4
