Test bank Business Statistics For Contemporary Decision Making 7th Edition by Black - Test Bank

,File:hch01,hChapterh1:hIntroductionhtohStatistics


True/False



1. Virtuallyhallhareashofhbusinesshusehstatisticshinhdecisionhmaking.

Ans:hTrue
Response:hSeehsectionh1.1,hStatisticshinhBusinessh
Difficulty:hEasy
LearninghObjective:h1.1:hListhquantitativehandhgraphicalhexampleshofhstatisticshwithinhahbusinesshco
ntext.



2. Thehcompletehcollectionhofhallhentitieshunderhstudyh ishcalledhthehsample.

Ans:hFalse
Response:hSeehsectionh1.2,hBasichStatisticalhConceptsh
Difficulty:hEasy
LearninghObjective:h1.2:hdefinehimportanthstatisticalhterms,hincludinghpopulation,hsample,handhpara
meter,hashtheyhrelatehtohdescriptivehandhinferentialhstatistics.



3. Ahportionhorhsubsethofhthehentitieshunderhstudyhishcalledhthehstatistic.

Ans:hFalse
Response:hSeehsectionh1.2,hBasichStatisticalhConceptsh
Difficulty:hEasy
LearninghObjective:h1.2:hdefinehimportanthstatisticalhterms,hincludinghpopulation,hsample,handhpara
meter,hashtheyhrelatehtohdescriptivehandhinferentialhstatistics.



4. Ahdescriptivehmeasurehofhthehpopulationhishcalledhahparameter.

Ans:hTrue
Response:hSeehsectionh1.2,hBasichStatisticalhConceptsh
Difficulty:hEasy
LearninghObjective:h1.2:hdefinehimportanthstatisticalhterms,hincludinghpopulation,hsample,handhpara
meter,hashtheyhrelatehtohdescriptivehandhinferentialhstatistics.

,5. Ahcensushishthehprocesshofhgatheringhdatahonhallhthehentitieshinhthehpopulation.

Ans:hTrue
Response:hSeehsectionh1.2,hBasichStatisticalhConceptsh
Difficulty:hEasy
LearninghObjective:h1.2:hdefinehimportanthstatisticalhterms,hincludinghpopulation,hsample,handhpara
meter,hashtheyhrelatehtohdescriptivehandhinferentialhstatistics.



6. Statisticshishcommonlyhdividedhintohtwohbrancheshcalledhdescriptivehstatisticshandhsummaryh
statistics.

Ans:hFalse
Response:hSeehsectionh1.2,hBasichStatisticalhConceptsh
Difficulty:hEasy
LearninghObjective:h1.2:hdefinehimportanthstatisticalhterms,hincludinghpopulation,hsample,handhpara
meter,hashtheyhrelatehtohdescriptivehandhinferentialhstatistics.



7. Ahdescriptivehmeasurehofhthehsamplehishcalledhahstatistic.

Ans:hTrue
Response:hSeehsectionh1.2,hBasichStatisticalhConceptsh
Difficulty:hEasy
LearninghObjective:h1.2:hdefinehimportanthstatisticalhterms,hincludinghpopulation,hsample,handhpara
meter,hashtheyhrelatehtohdescriptivehandhinferentialhstatistics.



8. Gatheringhdatahfromhahsamplehtohreachhconclusionshabouththehpopulationhfromhwhichhtheh
samplehwashdrawnhishcalledhdescriptivehstatistics.

Ans:hFalse
Response:hSeehsectionh1.2,hBasichStatisticalhConceptsh
Difficulty:hMedium
LearninghObjective:h1.2:hdefinehimportanthstatisticalhterms,hincludinghpopulation,hsample,handhpara
meter,hashtheyhrelatehtohdescriptivehandhinferentialhstatistics.

, 9. Calculationhofhpopulationhparametershishusuallyheitherhimpossiblehorhexcessivelyhtimeh
consuminghandhcostly.

Ans:hTrue
Response:hSeehsectionh1.2,hBasichStatisticalhConceptsh
Difficulty:hEasy
LearninghObjective:h1.2:hdefinehimportanthstatisticalhterms,hincludinghpopulation,hsample,handhpara
meter,hashtheyhrelatehtohdescriptivehandhinferentialhstatistics.



10. Thehbasishforhinferentialhstatisticshishthehabilityhtohmakehdecisionshabouthpopulationhparametersh
withouthhavinghtohcompletehahcensushofhthehpopulation.

Ans:hTrue
Response:hSeehsectionh1.2,hBasichStatisticalhConceptsh
Difficulty:hEasy
LearninghObjective:h1.2:hdefinehimportanthstatisticalhterms,hincludinghpopulation,hsample,handhpara
meter,hashtheyhrelatehtohdescriptivehandhinferentialhstatistics.




11. Allhnumericalhdatahmusthbehanalyzedhstatisticallyhinhthehsamehwayhbecausehallhofhthemhareh
representedhbyhnumbers.

Ans:hFalse
Response:hSeehsectionh1.4,hDatahMeasurementh
Difficulty:hMedium
LearninghObjective:h1.4:hComparehthehfourhdifferenthlevelshofhdata:hnominal,hordinal,hinterval,handhr
atio.



12. Thehmannerhinhwhichhnumericalhdatahcanhbehanalyzedhstatisticallyhdependshonhthehlevelhofhdatah
measurementhrepresentedhbyhnumbershbeinghanalyzed.

Ans:hTrue
Response:hSeehsectionh1.4,hDatahMeasurementh
Difficulty:hMedium
LearninghObjective:h1.4:hComparehthehfourhdifferenthlevelshofhdata:hnominal,hordinal,hinterval,handhra
tio.