Test Bank for Business Statistics A First Course 3rd Edition (Sharpe, 2016), Chapter 1-15 All Chapters.

Fileg:gChg07,gChapterg7gTestgBank
NumbersgOfgQuestionsg:g85


True/False

1. Savinggtimegandgmoneygaregreasonsgtogtakegagsamplegrathergthangdogagcensus.

Ans:gTrue
Response:gSeegsectiong7.1gSamplingg
Difficulty:gEasy
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.

2. Ingsomegsituations,gsamplinggmaygbegthegonlygoptiongbecausegthegpopulationgisginaccessible.

Ans:gTrue
Response:gSeegsectiong7.1gSamplingg
Difficulty:gEasy
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.



3. Agpopulationglist,gmap,gdirectory,gorgothergsourcegusedgtogrepresentgthegpopulationgfromgwhic
hgagsamplegisgtakengisgcalledgthegcensus.

Ans:gFalse
Response:gSeegsectiong7.1gSamplingg
Difficulty:gMedium
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.



4. Ingagrandomgsamplinggtechnique,geverygunitgofgthegpopulationghasgagrandomlygvaryinggchanc
egorgprobabilitygofgbeinggincludedgingthegsample.

, Ans:gFalse
Response:gSeegsectiong7.1gSamplingg
Difficulty:gMedium
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.



5. Clusterg(orgarea)gsamplinggisgagtypegofgrandomgsamplinggtechnique.

Ans:gTrue
Response:gSeegsectiong7.1gSamplingg
Difficulty:gMedium
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.



6. Systematicgsamplinggisgagtypegofgnonrandomgsamplinggtechnique.

Ans:gFalse
Response:gSeegsectiong7.1gSamplingg
Difficulty:gMedium
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.



7. Agmajorglimitationgofgnonrandomgsamplesgisgthatgtheygaregnotgappropriategforgmostgstatistic
algmethods.

Ans:gTrue
Response:gSeegsectiong7.1gSamplingg
Difficulty:gMedium
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.

,8. Thegdirectorygorgmapgfromgwhichgagsamplegisgtakengisgcalledgthegframe.

Ans:gTrue
Response:gSeegsectiong7.1gSamplingg
Difficulty:gMedium
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.



9. Thegtwogmajorgcategoriesgofgsamplinggmethodsgaregproportionategandgdisproportionat
egsampling.

Ans:gFalse
Response:gSeegsectiong7.1gSamplingg
Difficulty:gEasy
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.



10. Ifgeverygunitgofgthegpopulationghasgthegsamegprobabilitygofgbeinggselectedgtogthegsample,gthe
ngthegresearchergisgprobablygconductinggrandomgsampling.

Ans:gTrue
Response:gSeegsectiong7.1gSamplingg
Difficulty:gMedium
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.



11. Withgclustergsampling,gtheregisghomogeneitygwithingagsubgroupgorgstratum.

Ans:gFalse
Response:gSeegsectiong7.1gSamplingg
Difficulty:gMedium

, LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.




12. IfgagresearchergselectsgeverygkthgitemgfromgagpopulationgofgNgitems,gthengshegisglikel
ygconductinggagstratifiedgrandomgsampling.

Ans:gFalse
Response:gSeegsectiong7.1gSamplingg
Difficulty:gMedium
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.



13. Ifgeverygunitgofgthegpopulationghasgthegsamegprobabilitygofgbeinggselectedgtogthegsample,gthe
ngthegresearchergisgconductinggrandomgsampling.

Ans:gTrue
Response:gSeegsectiong7.1gSamplingg
Difficulty:gMedium
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.



14. Agnonrandomgsamplinggtechniquegthatgisgsimilargtogstratifiedgrandomgsamplinggisgcalledgquot
agsampling.

Ans:gTrue
Response:gSeegsectiong7.1gSamplingg
Difficulty:gEasy
LearninggObjective:g7.1:gContrastgsamplinggtogcensusgandgdifferentiategamonggdifferentgmethods
gofgsampling,gwhichgincludegsimple,gstratified,gsystematic,gandgclustergrandomgsampling;gandgco
nvenience,gjudgment,gquota,gandgsnowballgnonrandomgsampling,gbygassessinggthegadvantagesgas
sociatedgwithgeach.