2016
Basic Business Statistics
g g
Concepts and Application – 13th edition
g g g g g
Test Bankg
Cairo University
g
Faculty of Commerce
g g ggggggggggggggggggggggggggggggggggggg Math &
g g
Insurance Department
g
1/1/2016
, ChaptergOne:gDefininggandgcollectinggData
1. Whichgofgthegfollowinggisgagcontinuousgquantitativeg(numerical)gvariable?
a) Thegtimegitgtakesgtogdownloadgthegupdategforgyourg b) Theggendergofgagstudent
newgmobilegapp
c) Thegnumbergofgtextgmessagesgthatghavegbeengsentgl d) Thegnumbergofgitemsgpu
astgweek rchased
2. Whichgofgthegfollowinggisgagcontinuousgquantitativeg(numerical)gvariable?
a) Thegcolorgofgagstuden b) Thegnumbergofgemployeesgofganginsurancegcompany
t’sgeyes
c) Thegamountgofgmilkgi d) Thegnumbergofggallonsgofgmilkgsoldgatgtheglocalggrocer
ngag2-litergcarton ygstoregyesterday
3. Whichgofgthegfollowinggisgagdiscretegquantitativeg(numerical)gvariable?
a)gThegDowgJonesgIndustrialgavera
b)gThegvolumegofgwatergreleasedgfromgagdam
ge
c)gThegdistancegyougdrovegyesterd d)gThegnumbergofgemployeesgofganginsurancegcom
ay. pany
4. Ingstatistics,gagpopulationgconsistsgof:g
b)ggallgpeopleglivinggingthegareagund
a) allgpeopleglivinggingagcountry
ergstudy
c)ggallgsubjectsgorgobjectsgwhosegcharacteristicsga d)ggagselectiongofgaglimitedgnumberg
regbeinggstudied ofgelements
5. Ingstatistics,gwegdefinegagsamplegas:
a) peopleglivinggingonegcitygonly b) allgitemsgunderginvestigation
c) thegtargetgpopulation d) agportiongofgthegpopulation
6. ResearchersgaregconcernedgthatgthegweightgofgthegaveragegAmericangschoolgchildgisgincr
easinggimplying,gamonggothergthings,gthatgchildren’sgclothinggshouldgbegmanufacturedga
2
, ndgmarketedginglargergsizes.gIfgXgisgthegweightgofgschoolgchildrengsampledgingagnationwi
degstudy,gthengXgisgangexamplegof:
a)gagcategoricalgvariable. b)gagdiscretegvariable.
c)gagcontinuousgvariable. d)gagtablegofgrandomgnumbers.
7. Thegclassificationgofgstudentgclassgdesignationg(freshman,gsophomore,gjunior,gsenior)gisg
angexamplegof:
a)gagcategoricalgvariable. b)gagdiscretegvariable.
c)gagcontinuousgvariable. d)gagtablegofgrandomgnumbers.
8. thegpossiblegresponsesgtogthegquestiong"Ingwhichgyeargweregyougborn?"garegvaluesgfrom
ga:
a)gDiscretegnumericalgvariable b)gContinuousgnumericalgvariable
c)gCategoricalgvariable. d)gTablegofgrandomgnumbers.
9. thegpossiblegresponsesgtogthegquestiong"Whatgisgyourgannualgincomegroundedgtogthegne
arestgthousands?"gresultgin
a)gagnominalgscalegvariable. b)gangordinalgscalegvariable.
c)gangintervalgscalegvariable. d)gagratiogscalegvariable.
10. thegpossiblegresponsesgtogthegquestiong"Howgwouldgyougrategthegqualitygofgyourgpurcha
segexperiencegwithg1g=gexcellent,g2g=ggood,g3g=gdecent,g4g=gpoor,g5g=gterrible?"gresultgin
a)gagnominalgscalegvariable. b)gangordinalgscalegvariable.
c)gangintervalgscalegvariable. d)gagratiogscalegvariable.
11. gthegpossiblegresponsesgtogthegquestiong"Outgofgag100gpointgscoregwithg100gbeinggtheghi
ghestgandg0gbeinggtheglowest,gwhatgisgyourgsatisfactionglevelgwithgthegBlu-
raygplayergthatgyougpurchased?"gresultgin
a) agnominalgscalegvariable. b) angordinalgscalegvariable.
c) angintervalgscalegvariable. d) agratiogscalegvariable.
12. Anginsurancegcompanygevaluatesgmanygnumericalgvariablesgaboutgagpersongbeforegdeci
dinggongangappropriategrategforgautomobileginsurance.gThegnumbergofgclaimsgagpersong
hasgmadegingtheglastg3gyearsgisgangexamplegofgag_______gnumericalgvariable.
a) Discrete b) Continuous
c) Categorical d) Ordinal
3
, 13. Agdiscretegvariablegisgagvariablegthatgcangassume:
a)ggcategoricalgvaluesgonly b)ganguncountablegsetgofgvalues
c)agcountablegsetgofgvaluesgonly d)ggnon-numericalgvalues
14. Agcontinuousgvariablegisgagvariablegthatgcangassume:
a)gcategoricalgvaluesgonly b)gganguncountablegsetgofgvalues
c)ggagcountablegsetgofgvaluesgonly d)ggnon-numericalgvalues
15. AgWallgStreetgJournalgpollgaskedg2,150gadultsgingthegU.S.gagseriesgofgquestionsgtogfindgou
tgtheirgviewgongthegU.S.geconomy.
thegpopulationgofginterestgis
a)gallgthegmalesglivinggingthegU.S.gwhengtheg b)gallgthegfemalesglivinggingthegU.S.gwhengtheg
polledgwasgtaken. polledgwasgtaken.
c)gallgthegadultsglivinggingthegU.S.gwhengtheg d)gallgthegpeopleglivinggingthegU.S.gwhengtheg
pollgwasgtaken. pollgwasgtaken.
16. AgWallgStreetgJournalgpollgaskedg2,150gadultsgingthegU.S.gagseriesgofgquestionsgtoggfindgo
utgtheirgviewgongthegU.S.geconomy,gtheg2,150gadultsgmakegup
a)gthegpopulation b)gthegsample
c)gthegprimarygdatagsource d)gthegsecondarygdatagsource
17. thegpossiblegresponsesgtogthegquestiong"Aregyoug1.gCurrentlygemployed,g2.gUnemploye
dgbutgactivelyglookinggforgjob,g3.gUnemployedgandgquitglookinggforgjob?"garegvaluesgfro
mga
a)gdiscretegnumericalgvariable. b)gcontinuousgnumericalgvariable.
c)gcategoricalgvariable. d)gtablegofgrandomgnumbers.
18. Whichgofgthegfollowinggisgmostglikelygagpopulationgasgopposedgtogagsample?
a)grespondentsgtogagnewspapergsurvey. b)gthegfirstg5gstudentsgcompletinggangassignme
nt.
c)geverygthirdgpersongtogarrivegatgthegban d)gregisteredgvotersgingagcounty.
k.
19. AgstudygisgundergwaygingYosemitegNationalgForestgtogdeterminegthegadultgheightgofgAm
ericangpinegtrees.gSpecifically,gthegstudygisgattemptinggtogdeterminegwhatgfactorsgaidgagt
reegingreachinggheightsggreatergthang60gfeetgtall.gItgisgestimatedgthatgthegforestgcontains
g25,000gadultgAmericangpines.gThegstudyginvolvesgcollectinggheightsgfromg250grandomly
gselectedgadultgAmericangpinegtreesgandganalyzinggthegresults.gIdentifygthegpopulationgfr
omgwhichgthegstudygwasgsampled.
a)gTheg250grandomlygselectedgadultgAmerican b)gTheg25,000gadultgAmericangpinegtreesgin
4
Basic Business Statistics
g g
Concepts and Application – 13th edition
g g g g g
Test Bankg
Cairo University
g
Faculty of Commerce
g g ggggggggggggggggggggggggggggggggggggg Math &
g g
Insurance Department
g
1/1/2016
, ChaptergOne:gDefininggandgcollectinggData
1. Whichgofgthegfollowinggisgagcontinuousgquantitativeg(numerical)gvariable?
a) Thegtimegitgtakesgtogdownloadgthegupdategforgyourg b) Theggendergofgagstudent
newgmobilegapp
c) Thegnumbergofgtextgmessagesgthatghavegbeengsentgl d) Thegnumbergofgitemsgpu
astgweek rchased
2. Whichgofgthegfollowinggisgagcontinuousgquantitativeg(numerical)gvariable?
a) Thegcolorgofgagstuden b) Thegnumbergofgemployeesgofganginsurancegcompany
t’sgeyes
c) Thegamountgofgmilkgi d) Thegnumbergofggallonsgofgmilkgsoldgatgtheglocalggrocer
ngag2-litergcarton ygstoregyesterday
3. Whichgofgthegfollowinggisgagdiscretegquantitativeg(numerical)gvariable?
a)gThegDowgJonesgIndustrialgavera
b)gThegvolumegofgwatergreleasedgfromgagdam
ge
c)gThegdistancegyougdrovegyesterd d)gThegnumbergofgemployeesgofganginsurancegcom
ay. pany
4. Ingstatistics,gagpopulationgconsistsgof:g
b)ggallgpeopleglivinggingthegareagund
a) allgpeopleglivinggingagcountry
ergstudy
c)ggallgsubjectsgorgobjectsgwhosegcharacteristicsga d)ggagselectiongofgaglimitedgnumberg
regbeinggstudied ofgelements
5. Ingstatistics,gwegdefinegagsamplegas:
a) peopleglivinggingonegcitygonly b) allgitemsgunderginvestigation
c) thegtargetgpopulation d) agportiongofgthegpopulation
6. ResearchersgaregconcernedgthatgthegweightgofgthegaveragegAmericangschoolgchildgisgincr
easinggimplying,gamonggothergthings,gthatgchildren’sgclothinggshouldgbegmanufacturedga
2
, ndgmarketedginglargergsizes.gIfgXgisgthegweightgofgschoolgchildrengsampledgingagnationwi
degstudy,gthengXgisgangexamplegof:
a)gagcategoricalgvariable. b)gagdiscretegvariable.
c)gagcontinuousgvariable. d)gagtablegofgrandomgnumbers.
7. Thegclassificationgofgstudentgclassgdesignationg(freshman,gsophomore,gjunior,gsenior)gisg
angexamplegof:
a)gagcategoricalgvariable. b)gagdiscretegvariable.
c)gagcontinuousgvariable. d)gagtablegofgrandomgnumbers.
8. thegpossiblegresponsesgtogthegquestiong"Ingwhichgyeargweregyougborn?"garegvaluesgfrom
ga:
a)gDiscretegnumericalgvariable b)gContinuousgnumericalgvariable
c)gCategoricalgvariable. d)gTablegofgrandomgnumbers.
9. thegpossiblegresponsesgtogthegquestiong"Whatgisgyourgannualgincomegroundedgtogthegne
arestgthousands?"gresultgin
a)gagnominalgscalegvariable. b)gangordinalgscalegvariable.
c)gangintervalgscalegvariable. d)gagratiogscalegvariable.
10. thegpossiblegresponsesgtogthegquestiong"Howgwouldgyougrategthegqualitygofgyourgpurcha
segexperiencegwithg1g=gexcellent,g2g=ggood,g3g=gdecent,g4g=gpoor,g5g=gterrible?"gresultgin
a)gagnominalgscalegvariable. b)gangordinalgscalegvariable.
c)gangintervalgscalegvariable. d)gagratiogscalegvariable.
11. gthegpossiblegresponsesgtogthegquestiong"Outgofgag100gpointgscoregwithg100gbeinggtheghi
ghestgandg0gbeinggtheglowest,gwhatgisgyourgsatisfactionglevelgwithgthegBlu-
raygplayergthatgyougpurchased?"gresultgin
a) agnominalgscalegvariable. b) angordinalgscalegvariable.
c) angintervalgscalegvariable. d) agratiogscalegvariable.
12. Anginsurancegcompanygevaluatesgmanygnumericalgvariablesgaboutgagpersongbeforegdeci
dinggongangappropriategrategforgautomobileginsurance.gThegnumbergofgclaimsgagpersong
hasgmadegingtheglastg3gyearsgisgangexamplegofgag_______gnumericalgvariable.
a) Discrete b) Continuous
c) Categorical d) Ordinal
3
, 13. Agdiscretegvariablegisgagvariablegthatgcangassume:
a)ggcategoricalgvaluesgonly b)ganguncountablegsetgofgvalues
c)agcountablegsetgofgvaluesgonly d)ggnon-numericalgvalues
14. Agcontinuousgvariablegisgagvariablegthatgcangassume:
a)gcategoricalgvaluesgonly b)gganguncountablegsetgofgvalues
c)ggagcountablegsetgofgvaluesgonly d)ggnon-numericalgvalues
15. AgWallgStreetgJournalgpollgaskedg2,150gadultsgingthegU.S.gagseriesgofgquestionsgtogfindgou
tgtheirgviewgongthegU.S.geconomy.
thegpopulationgofginterestgis
a)gallgthegmalesglivinggingthegU.S.gwhengtheg b)gallgthegfemalesglivinggingthegU.S.gwhengtheg
polledgwasgtaken. polledgwasgtaken.
c)gallgthegadultsglivinggingthegU.S.gwhengtheg d)gallgthegpeopleglivinggingthegU.S.gwhengtheg
pollgwasgtaken. pollgwasgtaken.
16. AgWallgStreetgJournalgpollgaskedg2,150gadultsgingthegU.S.gagseriesgofgquestionsgtoggfindgo
utgtheirgviewgongthegU.S.geconomy,gtheg2,150gadultsgmakegup
a)gthegpopulation b)gthegsample
c)gthegprimarygdatagsource d)gthegsecondarygdatagsource
17. thegpossiblegresponsesgtogthegquestiong"Aregyoug1.gCurrentlygemployed,g2.gUnemploye
dgbutgactivelyglookinggforgjob,g3.gUnemployedgandgquitglookinggforgjob?"garegvaluesgfro
mga
a)gdiscretegnumericalgvariable. b)gcontinuousgnumericalgvariable.
c)gcategoricalgvariable. d)gtablegofgrandomgnumbers.
18. Whichgofgthegfollowinggisgmostglikelygagpopulationgasgopposedgtogagsample?
a)grespondentsgtogagnewspapergsurvey. b)gthegfirstg5gstudentsgcompletinggangassignme
nt.
c)geverygthirdgpersongtogarrivegatgthegban d)gregisteredgvotersgingagcounty.
k.
19. AgstudygisgundergwaygingYosemitegNationalgForestgtogdeterminegthegadultgheightgofgAm
ericangpinegtrees.gSpecifically,gthegstudygisgattemptinggtogdeterminegwhatgfactorsgaidgagt
reegingreachinggheightsggreatergthang60gfeetgtall.gItgisgestimatedgthatgthegforestgcontains
g25,000gadultgAmericangpines.gThegstudyginvolvesgcollectinggheightsgfromg250grandomly
gselectedgadultgAmericangpinegtreesgandganalyzinggthegresults.gIdentifygthegpopulationgfr
omgwhichgthegstudygwasgsampled.
a)gTheg250grandomlygselectedgadultgAmerican b)gTheg25,000gadultgAmericangpinegtreesgin
4
