2016
Basic Business Statistics
b b
Concepts and Application – 13th edition
b b b b b
Test Bankb
Cairo University
b
Faculty of Commerce
b b Math & Ins
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb b b
urance Department
b
1/1/2016
, ChapterbOne:bDefiningbandbcollectingbData
1. Whichbofbthebfollowingbisbabcontinuousbquantitativeb(numerical)bvariable?
a) Thebtimebitbtakesbtobdownloadbthebupdatebforbyourbn b) Thebgenderbofbabstudent
ewbmobilebapp
c) Thebnumberbofbtextbmessagesbthatbhavebbeenbsentbla d) Thebnumberbofbitemsbpur
stbweek chased
2. Whichbofbthebfollowingbisbabcontinuousbquantitativeb(numerical)bvariable?
a) Thebcolorbofbabstudent b) Thebnumberbofbemployeesbofbanbinsurancebcompany
’sbeyes
c) Thebamountbofbmilkbin d) Thebnumberbofbgallonsbofbmilkbsoldbatbtheblocalbgroceryb
bab2-literbcarton storebyesterday
3. Whichbofbthebfollowingbisbabdiscretebquantitativeb(numerical)bvariable?
a)bThebDowbJonesbIndustrialbaverag
b)bThebvolumebofbwaterbreleasedbfrombabdam
e
c)bThebdistancebyoubdrovebyesterd d)bThebnumberbofbemployeesbofbanbinsurancebcomp
ay. any
4. Inbstatistics,babpopulationbconsistsbof:b
b)bballbpeopleblivingbinbthebareabunde
a) allbpeopleblivingbinbabcountry
rbstudy
c)bballbsubjectsborbobjectsbwhosebcharacteristicsbar d)bbabselectionbofbablimitedbnumberbo
ebbeingbstudied fbelements
5. Inbstatistics,bwebdefinebabsamplebas:
a) peopleblivingbinbonebcitybonly b) allbitemsbunderbinvestigation
c) thebtargetbpopulation d) abportionbofbthebpopulation
6. ResearchersbarebconcernedbthatbthebweightbofbthebaveragebAmericanbschoolbchildbisbincre
asingbimplying,bamongbotherbthings,bthatbchildren’sbclothingbshouldbbebmanufacturedband
2
, marketedbinblargerbsizes.bIfbXbisbthebweightbofbschoolbchildrenbsampledbinbabnationwidebst
b
udy,bthenbXbisbanbexamplebof:
a)babcategoricalbvariable. b)babdiscretebvariable.
c)babcontinuousbvariable. d)babtablebofbrandombnumbers.
7. Thebclassificationbofbstudentbclassbdesignationb(freshman,bsophomore,bjunior,bsenior)bisba
nbexamplebof:
a)babcategoricalbvariable. b)babdiscretebvariable.
c)babcontinuousbvariable. d)babtablebofbrandombnumbers.
8. thebpossiblebresponsesbtobthebquestionb"Inbwhichbyearbwerebyoubborn?"barebvaluesbfromba
:
a)bDiscretebnumericalbvariable b)bContinuousbnumericalbvariable
c)bCategoricalbvariable. d)bTablebofbrandombnumbers.
9. thebpossiblebresponsesbtobthebquestionb"Whatbisbyourbannualbincomebroundedbtobthebnea
restbthousands?"bresultbin
a)babnominalbscalebvariable. b)banbordinalbscalebvariable.
c)banbintervalbscalebvariable. d)babratiobscalebvariable.
10. thebpossiblebresponsesbtobthebquestionb"Howbwouldbyoubratebthebqualitybofbyourbpurchas
ebexperiencebwithb1b=bexcellent,b2b=bgood,b3b=bdecent,b4b=bpoor,b5b=bterrible?"bresultbin
a)babnominalbscalebvariable. b)banbordinalbscalebvariable.
c)banbintervalbscalebvariable. d)babratiobscalebvariable.
11. bthebpossiblebresponsesbtobthebquestionb"Outbofbab100bpointbscorebwithb100bbeingbthebhig
hestbandb0bbeingbtheblowest,bwhatbisbyourbsatisfactionblevelbwithbthebBlu-
raybplayerbthatbyoubpurchased?"bresultbin
a) abnominalbscalebvariable. b) anbordinalbscalebvariable.
c) anbintervalbscalebvariable. d) abratiobscalebvariable.
12. Anbinsurancebcompanybevaluatesbmanybnumericalbvariablesbaboutbabpersonbbeforebdecidi
ngbonbanbappropriatebratebforbautomobilebinsurance.bThebnumberbofbclaimsbabpersonbhasb
madebinbtheblastb3byearsbisbanbexamplebofbab_______bnumericalbvariable.
a) Discrete b) Continuous
c) Categorical d) Ordinal
3
, 13. Abdiscretebvariablebisbabvariablebthatbcanbassume:
a)bbcategoricalbvaluesbonly b)banbuncountablebsetbofbvalues
c)abcountablebsetbofbvaluesbonly d)bbnon-numericalbvalues
14. Abcontinuousbvariablebisbabvariablebthatbcanbassume:
a)bcategoricalbvaluesbonly b)bbanbuncountablebsetbofbvalues
c)bbabcountablebsetbofbvaluesbonly d)bbnon-numericalbvalues
15. AbWallbStreetbJournalbpollbaskedb2,150badultsbinbthebU.S.babseriesbofbquestionsbtobfindboutbt
heirbviewbonbthebU.S.beconomy.
thebpopulationbofbinterestbis
a)ballbthebmalesblivingbinbthebU.S.bwhenbthebp b)ballbthebfemalesblivingbinbthebU.S.bwhenbthebp
olledbwasbtaken. olledbwasbtaken.
c)ballbthebadultsblivingbinbthebU.S.bwhenbthebp d)ballbthebpeopleblivingbinbthebU.S.bwhenbthebp
ollbwasbtaken. ollbwasbtaken.
16. AbWallbStreetbJournalbpollbaskedb2,150badultsbinbthebU.S.babseriesbofbquestionsbtobbfindboutb
theirbviewbonbthebU.S.beconomy,btheb2,150badultsbmakebup
a)bthebpopulation b)bthebsample
c)bthebprimarybdatabsource d)bthebsecondarybdatabsource
17. thebpossiblebresponsesbtobthebquestionb"Arebyoub1.bCurrentlybemployed,b2.bUnemployedb
butbactivelyblookingbforbjob,b3.bUnemployedbandbquitblookingbforbjob?"barebvaluesbfromba
a)bdiscretebnumericalbvariable. b)bcontinuousbnumericalbvariable.
c)bcategoricalbvariable. d)btablebofbrandombnumbers.
18. Whichbofbthebfollowingbisbmostblikelybabpopulationbasbopposedbtobabsample?
a)brespondentsbtobabnewspaperbsurvey. b)bthebfirstb5bstudentsbcompletingbanbassignment
.
c)beverybthirdbpersonbtobarrivebatbthebbank d)bregisteredbvotersbinbabcounty.
.
19. AbstudybisbunderbwaybinbYosemitebNationalbForestbtobdeterminebthebadultbheightbofbAmeri
canbpinebtrees.bSpecifically,bthebstudybisbattemptingbtobdeterminebwhatbfactorsbaidbabtreebi
nbreachingbheightsbgreaterbthanb60bfeetbtall.bItbisbestimatedbthatbthebforestbcontainsb25,00
0badultbAmericanbpines.bThebstudybinvolvesbcollectingbheightsbfromb250brandomlybselecte
dbadultbAmericanbpinebtreesbandbanalyzingbthebresults.bIdentifybthebpopulationbfrombwhic
hbthebstudybwasbsampled.
a)bTheb250brandomlybselectedbadultbAmericanb b)bTheb25,000badultbAmericanbpinebtreesbinbt
pinebtrees. hebforest.
4
Basic Business Statistics
b b
Concepts and Application – 13th edition
b b b b b
Test Bankb
Cairo University
b
Faculty of Commerce
b b Math & Ins
bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb b b
urance Department
b
1/1/2016
, ChapterbOne:bDefiningbandbcollectingbData
1. Whichbofbthebfollowingbisbabcontinuousbquantitativeb(numerical)bvariable?
a) Thebtimebitbtakesbtobdownloadbthebupdatebforbyourbn b) Thebgenderbofbabstudent
ewbmobilebapp
c) Thebnumberbofbtextbmessagesbthatbhavebbeenbsentbla d) Thebnumberbofbitemsbpur
stbweek chased
2. Whichbofbthebfollowingbisbabcontinuousbquantitativeb(numerical)bvariable?
a) Thebcolorbofbabstudent b) Thebnumberbofbemployeesbofbanbinsurancebcompany
’sbeyes
c) Thebamountbofbmilkbin d) Thebnumberbofbgallonsbofbmilkbsoldbatbtheblocalbgroceryb
bab2-literbcarton storebyesterday
3. Whichbofbthebfollowingbisbabdiscretebquantitativeb(numerical)bvariable?
a)bThebDowbJonesbIndustrialbaverag
b)bThebvolumebofbwaterbreleasedbfrombabdam
e
c)bThebdistancebyoubdrovebyesterd d)bThebnumberbofbemployeesbofbanbinsurancebcomp
ay. any
4. Inbstatistics,babpopulationbconsistsbof:b
b)bballbpeopleblivingbinbthebareabunde
a) allbpeopleblivingbinbabcountry
rbstudy
c)bballbsubjectsborbobjectsbwhosebcharacteristicsbar d)bbabselectionbofbablimitedbnumberbo
ebbeingbstudied fbelements
5. Inbstatistics,bwebdefinebabsamplebas:
a) peopleblivingbinbonebcitybonly b) allbitemsbunderbinvestigation
c) thebtargetbpopulation d) abportionbofbthebpopulation
6. ResearchersbarebconcernedbthatbthebweightbofbthebaveragebAmericanbschoolbchildbisbincre
asingbimplying,bamongbotherbthings,bthatbchildren’sbclothingbshouldbbebmanufacturedband
2
, marketedbinblargerbsizes.bIfbXbisbthebweightbofbschoolbchildrenbsampledbinbabnationwidebst
b
udy,bthenbXbisbanbexamplebof:
a)babcategoricalbvariable. b)babdiscretebvariable.
c)babcontinuousbvariable. d)babtablebofbrandombnumbers.
7. Thebclassificationbofbstudentbclassbdesignationb(freshman,bsophomore,bjunior,bsenior)bisba
nbexamplebof:
a)babcategoricalbvariable. b)babdiscretebvariable.
c)babcontinuousbvariable. d)babtablebofbrandombnumbers.
8. thebpossiblebresponsesbtobthebquestionb"Inbwhichbyearbwerebyoubborn?"barebvaluesbfromba
:
a)bDiscretebnumericalbvariable b)bContinuousbnumericalbvariable
c)bCategoricalbvariable. d)bTablebofbrandombnumbers.
9. thebpossiblebresponsesbtobthebquestionb"Whatbisbyourbannualbincomebroundedbtobthebnea
restbthousands?"bresultbin
a)babnominalbscalebvariable. b)banbordinalbscalebvariable.
c)banbintervalbscalebvariable. d)babratiobscalebvariable.
10. thebpossiblebresponsesbtobthebquestionb"Howbwouldbyoubratebthebqualitybofbyourbpurchas
ebexperiencebwithb1b=bexcellent,b2b=bgood,b3b=bdecent,b4b=bpoor,b5b=bterrible?"bresultbin
a)babnominalbscalebvariable. b)banbordinalbscalebvariable.
c)banbintervalbscalebvariable. d)babratiobscalebvariable.
11. bthebpossiblebresponsesbtobthebquestionb"Outbofbab100bpointbscorebwithb100bbeingbthebhig
hestbandb0bbeingbtheblowest,bwhatbisbyourbsatisfactionblevelbwithbthebBlu-
raybplayerbthatbyoubpurchased?"bresultbin
a) abnominalbscalebvariable. b) anbordinalbscalebvariable.
c) anbintervalbscalebvariable. d) abratiobscalebvariable.
12. Anbinsurancebcompanybevaluatesbmanybnumericalbvariablesbaboutbabpersonbbeforebdecidi
ngbonbanbappropriatebratebforbautomobilebinsurance.bThebnumberbofbclaimsbabpersonbhasb
madebinbtheblastb3byearsbisbanbexamplebofbab_______bnumericalbvariable.
a) Discrete b) Continuous
c) Categorical d) Ordinal
3
, 13. Abdiscretebvariablebisbabvariablebthatbcanbassume:
a)bbcategoricalbvaluesbonly b)banbuncountablebsetbofbvalues
c)abcountablebsetbofbvaluesbonly d)bbnon-numericalbvalues
14. Abcontinuousbvariablebisbabvariablebthatbcanbassume:
a)bcategoricalbvaluesbonly b)bbanbuncountablebsetbofbvalues
c)bbabcountablebsetbofbvaluesbonly d)bbnon-numericalbvalues
15. AbWallbStreetbJournalbpollbaskedb2,150badultsbinbthebU.S.babseriesbofbquestionsbtobfindboutbt
heirbviewbonbthebU.S.beconomy.
thebpopulationbofbinterestbis
a)ballbthebmalesblivingbinbthebU.S.bwhenbthebp b)ballbthebfemalesblivingbinbthebU.S.bwhenbthebp
olledbwasbtaken. olledbwasbtaken.
c)ballbthebadultsblivingbinbthebU.S.bwhenbthebp d)ballbthebpeopleblivingbinbthebU.S.bwhenbthebp
ollbwasbtaken. ollbwasbtaken.
16. AbWallbStreetbJournalbpollbaskedb2,150badultsbinbthebU.S.babseriesbofbquestionsbtobbfindboutb
theirbviewbonbthebU.S.beconomy,btheb2,150badultsbmakebup
a)bthebpopulation b)bthebsample
c)bthebprimarybdatabsource d)bthebsecondarybdatabsource
17. thebpossiblebresponsesbtobthebquestionb"Arebyoub1.bCurrentlybemployed,b2.bUnemployedb
butbactivelyblookingbforbjob,b3.bUnemployedbandbquitblookingbforbjob?"barebvaluesbfromba
a)bdiscretebnumericalbvariable. b)bcontinuousbnumericalbvariable.
c)bcategoricalbvariable. d)btablebofbrandombnumbers.
18. Whichbofbthebfollowingbisbmostblikelybabpopulationbasbopposedbtobabsample?
a)brespondentsbtobabnewspaperbsurvey. b)bthebfirstb5bstudentsbcompletingbanbassignment
.
c)beverybthirdbpersonbtobarrivebatbthebbank d)bregisteredbvotersbinbabcounty.
.
19. AbstudybisbunderbwaybinbYosemitebNationalbForestbtobdeterminebthebadultbheightbofbAmeri
canbpinebtrees.bSpecifically,bthebstudybisbattemptingbtobdeterminebwhatbfactorsbaidbabtreebi
nbreachingbheightsbgreaterbthanb60bfeetbtall.bItbisbestimatedbthatbthebforestbcontainsb25,00
0badultbAmericanbpines.bThebstudybinvolvesbcollectingbheightsbfromb250brandomlybselecte
dbadultbAmericanbpinebtreesbandbanalyzingbthebresults.bIdentifybthebpopulationbfrombwhic
hbthebstudybwasbsampled.
a)bTheb250brandomlybselectedbadultbAmericanb b)bTheb25,000badultbAmericanbpinebtreesbinbt
pinebtrees. hebforest.
4
