2016
Basic Business Statistics
k k
Concepts and Application – 13th edition
k k k k k
Test Bankk
Cairo University
k
Faculty of Commerce
k k Math & Insur
kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk k k
ance Department
k
1/1/2016
, ChapterkOne:kDefiningkandkcollectingkData
1. Whichkofkthekfollowingkiskakcontinuouskquantitativek(numerical)kvariable?
a) Thektimekitktakesktokdownloadkthekupdatekforkyourkn b) Thekgenderkofkakstudent
ewkmobilekapp
c) Theknumberkofktextkmessageskthatkhavekbeenksentkla d) Theknumberkofkitemskpur
stkweek chased
2. Whichkofkthekfollowingkiskakcontinuouskquantitativek(numerical)kvariable?
a) Thekcolorkofkakstudent’ b) Theknumberkofkemployeeskofkankinsurancekcompany
skeyes
c) Thekamountkofkmilkkink d) Theknumberkofkgallonskofkmilkksoldkatktheklocalkgroceryks
ak2-literkcarton torekyesterday
3. Whichkofkthekfollowingkiskakdiscretekquantitativek(numerical)kvariable?
a)kThekDowkJoneskIndustrialkaverag
b)kThekvolumekofkwaterkreleasedkfromkakdam
e
c)kThekdistancekyoukdrovekyesterda d)kTheknumberkofkemployeeskofkankinsurancekcompa
y. ny
4. Inkstatistics,kakpopulationkconsistskof:k
b)kkallkpeopleklivingkinkthekareakunder
a) allkpeopleklivingkinkakcountry
kstudy
c)kkallksubjectskorkobjectskwhosekcharacteristicskare d)kkakselectionkofkaklimitedknumberkof
kbeingkstudied
kelements
5. Inkstatistics,kwekdefinekaksamplekas:
a) peopleklivingkinkonekcitykonly b) allkitemskunderkinvestigation
c) thektargetkpopulation d) akportionkofkthekpopulation
6. ResearcherskarekconcernedkthatkthekweightkofkthekaveragekAmericankschoolkchildkiskincrea
singkimplying,kamongkotherkthings,kthatkchildren’skclothingkshouldkbekmanufacturedkandk
2
, marketedkinklargerksizes.kIfkXkiskthekweightkofkschoolkchildrenksampledkinkaknationwidekstud
y,kthenkXkiskankexamplekof:
a)kakcategoricalkvariable. b)kakdiscretekvariable.
c)kakcontinuouskvariable. d)kaktablekofkrandomknumbers.
7. Thekclassificationkofkstudentkclasskdesignationk(freshman,ksophomore,kjunior,ksenior)kiskan
kexamplekof:
a)kakcategoricalkvariable. b)kakdiscretekvariable.
c)kakcontinuouskvariable. d)kaktablekofkrandomknumbers.
8. thekpossiblekresponsesktokthekquestionk"Inkwhichkyearkwerekyoukborn?"karekvalueskfromka:
a)kDiscreteknumericalkvariable b)kContinuousknumericalkvariable
c)kCategoricalkvariable. d)kTablekofkrandomknumbers.
9. thekpossiblekresponsesktokthekquestionk"Whatkiskyourkannualkincomekroundedktoktheknear
estkthousands?"kresultkin
a)kaknominalkscalekvariable. b)kankordinalkscalekvariable.
c)kankintervalkscalekvariable. d)kakratiokscalekvariable.
10. thekpossiblekresponsesktokthekquestionk"Howkwouldkyoukratekthekqualitykofkyourkpurchasek
experiencekwithk1k=kexcellent,k2k=kgood,k3k=kdecent,k4k=kpoor,k5k=kterrible?"kresultkin
a)kaknominalkscalekvariable. b)kankordinalkscalekvariable.
c)kankintervalkscalekvariable. d)kakratiokscalekvariable.
11. kthekpossiblekresponsesktokthekquestionk"Outkofkak100kpointkscorekwithk100kbeingkthekhigh
estkandk0kbeingktheklowest,kwhatkiskyourksatisfactionklevelkwithkthekBlu-
raykplayerkthatkyoukpurchased?"kresultkin
a) aknominalkscalekvariable. b) ankordinalkscalekvariable.
c) ankintervalkscalekvariable. d) akratiokscalekvariable.
12. Ankinsurancekcompanykevaluateskmanyknumericalkvariableskaboutkakpersonkbeforekdecidi
ngkonkankappropriatekratekforkautomobilekinsurance.kTheknumberkofkclaimskakpersonkhask
madekinktheklastk3kyearskiskankexamplekofkak_______knumericalkvariable.
a) Discrete b) Continuous
c) Categorical d) Ordinal
3
, 13. Akdiscretekvariablekiskakvariablekthatkcankassume:
a)kkcategoricalkvalueskonly b)kankuncountableksetkofkvalues
c)akcountableksetkofkvalueskonly d)kknon-numericalkvalues
14. Akcontinuouskvariablekiskakvariablekthatkcankassume:
a)kcategoricalkvalueskonly b)kkankuncountableksetkofkvalues
c)kkakcountableksetkofkvalueskonly d)kknon-numericalkvalues
15. AkWallkStreetkJournalkpollkaskedk2,150kadultskinkthekU.S.kakserieskofkquestionsktokfindkoutkth
eirkviewkonkthekU.S.keconomy.
thekpopulationkofkinterestkis
a)kallkthekmalesklivingkinkthekU.S.kwhenkthekpo b)kallkthekfemalesklivingkinkthekU.S.kwhenkthekp
lledkwasktaken. olledkwasktaken.
c)kallkthekadultsklivingkinkthekU.S.kwhenkthekpo d)kallkthekpeopleklivingkinkthekU.S.kwhenkthekpol
llkwasktaken. lkwasktaken.
16. AkWallkStreetkJournalkpollkaskedk2,150kadultskinkthekU.S.kakserieskofkquestionsktokkfindkoutkt
heirkviewkonkthekU.S.keconomy,kthek2,150kadultskmakekup
a)kthekpopulation b)ktheksample
c)kthekprimarykdataksource d)ktheksecondarykdataksource
17. thekpossiblekresponsesktokthekquestionk"Arekyouk1.kCurrentlykemployed,k2.kUnemployedkb
utkactivelyklookingkforkjob,k3.kUnemployedkandkquitklookingkforkjob?"karekvalueskfromka
a)kdiscreteknumericalkvariable. b)kcontinuousknumericalkvariable.
c)kcategoricalkvariable. d)ktablekofkrandomknumbers.
18. Whichkofkthekfollowingkiskmostklikelykakpopulationkaskopposedktokaksample?
a)krespondentsktokaknewspaperksurvey. b)kthekfirstk5kstudentskcompletingkankassignment.
c)keverykthirdkpersonktokarrivekatkthekbank. d)kregisteredkvoterskinkakcounty.
19. AkstudykiskunderkwaykinkYosemitekNationalkForestktokdeterminekthekadultkheightkofkAmeric
ankpinektrees.kSpecifically,kthekstudykiskattemptingktokdeterminekwhatkfactorskaidkaktreekink
reachingkheightskgreaterkthank60kfeetktall.kItkiskestimatedkthatkthekforestkcontainsk25,000ka
dultkAmericankpines.kThekstudykinvolveskcollectingkheightskfromk250krandomlykselectedkad
ultkAmericankpinektreeskandkanalyzingkthekresults.kIdentifykthekpopulationkfromkwhichkthek
studykwasksampled.
a)kThek250krandomlykselectedkadultkAmericank b)kThek25,000kadultkAmericankpinektreeskinkt
pinektrees. hekforest.
c)kAllkthekadultkAmericankpinektreesktallerkthank d)kAllkAmericankpinektrees,kofkanykage,kinkthe
60kfeet. kforest.
4
Basic Business Statistics
k k
Concepts and Application – 13th edition
k k k k k
Test Bankk
Cairo University
k
Faculty of Commerce
k k Math & Insur
kkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkk k k
ance Department
k
1/1/2016
, ChapterkOne:kDefiningkandkcollectingkData
1. Whichkofkthekfollowingkiskakcontinuouskquantitativek(numerical)kvariable?
a) Thektimekitktakesktokdownloadkthekupdatekforkyourkn b) Thekgenderkofkakstudent
ewkmobilekapp
c) Theknumberkofktextkmessageskthatkhavekbeenksentkla d) Theknumberkofkitemskpur
stkweek chased
2. Whichkofkthekfollowingkiskakcontinuouskquantitativek(numerical)kvariable?
a) Thekcolorkofkakstudent’ b) Theknumberkofkemployeeskofkankinsurancekcompany
skeyes
c) Thekamountkofkmilkkink d) Theknumberkofkgallonskofkmilkksoldkatktheklocalkgroceryks
ak2-literkcarton torekyesterday
3. Whichkofkthekfollowingkiskakdiscretekquantitativek(numerical)kvariable?
a)kThekDowkJoneskIndustrialkaverag
b)kThekvolumekofkwaterkreleasedkfromkakdam
e
c)kThekdistancekyoukdrovekyesterda d)kTheknumberkofkemployeeskofkankinsurancekcompa
y. ny
4. Inkstatistics,kakpopulationkconsistskof:k
b)kkallkpeopleklivingkinkthekareakunder
a) allkpeopleklivingkinkakcountry
kstudy
c)kkallksubjectskorkobjectskwhosekcharacteristicskare d)kkakselectionkofkaklimitedknumberkof
kbeingkstudied
kelements
5. Inkstatistics,kwekdefinekaksamplekas:
a) peopleklivingkinkonekcitykonly b) allkitemskunderkinvestigation
c) thektargetkpopulation d) akportionkofkthekpopulation
6. ResearcherskarekconcernedkthatkthekweightkofkthekaveragekAmericankschoolkchildkiskincrea
singkimplying,kamongkotherkthings,kthatkchildren’skclothingkshouldkbekmanufacturedkandk
2
, marketedkinklargerksizes.kIfkXkiskthekweightkofkschoolkchildrenksampledkinkaknationwidekstud
y,kthenkXkiskankexamplekof:
a)kakcategoricalkvariable. b)kakdiscretekvariable.
c)kakcontinuouskvariable. d)kaktablekofkrandomknumbers.
7. Thekclassificationkofkstudentkclasskdesignationk(freshman,ksophomore,kjunior,ksenior)kiskan
kexamplekof:
a)kakcategoricalkvariable. b)kakdiscretekvariable.
c)kakcontinuouskvariable. d)kaktablekofkrandomknumbers.
8. thekpossiblekresponsesktokthekquestionk"Inkwhichkyearkwerekyoukborn?"karekvalueskfromka:
a)kDiscreteknumericalkvariable b)kContinuousknumericalkvariable
c)kCategoricalkvariable. d)kTablekofkrandomknumbers.
9. thekpossiblekresponsesktokthekquestionk"Whatkiskyourkannualkincomekroundedktoktheknear
estkthousands?"kresultkin
a)kaknominalkscalekvariable. b)kankordinalkscalekvariable.
c)kankintervalkscalekvariable. d)kakratiokscalekvariable.
10. thekpossiblekresponsesktokthekquestionk"Howkwouldkyoukratekthekqualitykofkyourkpurchasek
experiencekwithk1k=kexcellent,k2k=kgood,k3k=kdecent,k4k=kpoor,k5k=kterrible?"kresultkin
a)kaknominalkscalekvariable. b)kankordinalkscalekvariable.
c)kankintervalkscalekvariable. d)kakratiokscalekvariable.
11. kthekpossiblekresponsesktokthekquestionk"Outkofkak100kpointkscorekwithk100kbeingkthekhigh
estkandk0kbeingktheklowest,kwhatkiskyourksatisfactionklevelkwithkthekBlu-
raykplayerkthatkyoukpurchased?"kresultkin
a) aknominalkscalekvariable. b) ankordinalkscalekvariable.
c) ankintervalkscalekvariable. d) akratiokscalekvariable.
12. Ankinsurancekcompanykevaluateskmanyknumericalkvariableskaboutkakpersonkbeforekdecidi
ngkonkankappropriatekratekforkautomobilekinsurance.kTheknumberkofkclaimskakpersonkhask
madekinktheklastk3kyearskiskankexamplekofkak_______knumericalkvariable.
a) Discrete b) Continuous
c) Categorical d) Ordinal
3
, 13. Akdiscretekvariablekiskakvariablekthatkcankassume:
a)kkcategoricalkvalueskonly b)kankuncountableksetkofkvalues
c)akcountableksetkofkvalueskonly d)kknon-numericalkvalues
14. Akcontinuouskvariablekiskakvariablekthatkcankassume:
a)kcategoricalkvalueskonly b)kkankuncountableksetkofkvalues
c)kkakcountableksetkofkvalueskonly d)kknon-numericalkvalues
15. AkWallkStreetkJournalkpollkaskedk2,150kadultskinkthekU.S.kakserieskofkquestionsktokfindkoutkth
eirkviewkonkthekU.S.keconomy.
thekpopulationkofkinterestkis
a)kallkthekmalesklivingkinkthekU.S.kwhenkthekpo b)kallkthekfemalesklivingkinkthekU.S.kwhenkthekp
lledkwasktaken. olledkwasktaken.
c)kallkthekadultsklivingkinkthekU.S.kwhenkthekpo d)kallkthekpeopleklivingkinkthekU.S.kwhenkthekpol
llkwasktaken. lkwasktaken.
16. AkWallkStreetkJournalkpollkaskedk2,150kadultskinkthekU.S.kakserieskofkquestionsktokkfindkoutkt
heirkviewkonkthekU.S.keconomy,kthek2,150kadultskmakekup
a)kthekpopulation b)ktheksample
c)kthekprimarykdataksource d)ktheksecondarykdataksource
17. thekpossiblekresponsesktokthekquestionk"Arekyouk1.kCurrentlykemployed,k2.kUnemployedkb
utkactivelyklookingkforkjob,k3.kUnemployedkandkquitklookingkforkjob?"karekvalueskfromka
a)kdiscreteknumericalkvariable. b)kcontinuousknumericalkvariable.
c)kcategoricalkvariable. d)ktablekofkrandomknumbers.
18. Whichkofkthekfollowingkiskmostklikelykakpopulationkaskopposedktokaksample?
a)krespondentsktokaknewspaperksurvey. b)kthekfirstk5kstudentskcompletingkankassignment.
c)keverykthirdkpersonktokarrivekatkthekbank. d)kregisteredkvoterskinkakcounty.
19. AkstudykiskunderkwaykinkYosemitekNationalkForestktokdeterminekthekadultkheightkofkAmeric
ankpinektrees.kSpecifically,kthekstudykiskattemptingktokdeterminekwhatkfactorskaidkaktreekink
reachingkheightskgreaterkthank60kfeetktall.kItkiskestimatedkthatkthekforestkcontainsk25,000ka
dultkAmericankpines.kThekstudykinvolveskcollectingkheightskfromk250krandomlykselectedkad
ultkAmericankpinektreeskandkanalyzingkthekresults.kIdentifykthekpopulationkfromkwhichkthek
studykwasksampled.
a)kThek250krandomlykselectedkadultkAmericank b)kThek25,000kadultkAmericankpinektreeskinkt
pinektrees. hekforest.
c)kAllkthekadultkAmericankpinektreesktallerkthank d)kAllkAmericankpinektrees,kofkanykage,kinkthe
60kfeet. kforest.
4
