TEST BANK for Business statistics for contemporary decision making 8th edition by Ken black all chapters 1-18

,File:nch01,nChaptern1:nIntroductionntonStatisticsnTrue/F


alse



1. Virtuallynallnareasnofnbusinessnusenstatisticsninndecisionnmaking.n
Ans:nTrue
Response:nSeensectionn1.1,nStatisticsninnBusinessnDiffi
culty:nEasy
LearningnObjective:n1.1:nListnquantitativenandngraphicalnexamplesnofnstatisticsnwithinnanbusinessncontext.


2. Statisticsncannbenusedntonpredictnthenbusinessnfuture.n
Ans:nTrue
Response:nSeensectionn1.1,nStatisticsninnBusinessnDiffi
culty:nEasy
LearningnObjective:n1.1:nListnquantitativenandngraphicalnexamplesnofnstatisticsnwithinnanbusinessncontext.


3. Statisticsnarenusedntonmarketnvitamins.n
Ans:nTrue
Response:nSeensectionn1.1,nStatisticsninnBusinessnDiffi
culty:nEasy
LearningnObjective:n1.1:nListnquantitativenandngraphicalnexamplesnofnstatisticsnwithinnanbusinessncontext.

4. Anlistnofnfinalngradesninnannintroductorynclassninnbusinessnisnannexamplenofnstatisticsn
Ans:nfalse
Response:nSeensectionn1.1,nStatisticsninnBusinessnDiffi
culty:nEasy
LearningnObjective:n1.1:nListnquantitativenandngraphicalnexamplesnofnstatisticsnwithinnanbusinessncontext.


5. Thencompletencollectionnofnallnentitiesnundernstudynisncallednthensample.n
Ans:nFalse
Response:nSeensectionn1.2,nBasicnStatisticalnConceptsn
Difficulty:nEasy
LearningnObjective:n1.2:n definenimportantnstatisticalnterms,nincludingnpopulation,nsample,nandnparameter,n
asntheynrelatentondescriptivenandninferentialnstatistics.


6. Anportionnornsubsetnofnthenentitiesnundernstudynisncallednthenstatistic.n
Ans:nFalse
Response:nSeensectionn1.2,nBasicnStatisticalnConceptsn
Difficulty:nEasy
LearningnObjective:n1.2:n definenimportantnstatisticalnterms,nincludingnpopulation,nsample,nandnparameter,n
asntheynrelatentondescriptivenandninferentialnstatistics.

,7. Andescriptivenmeasurenofnthenpopulationnisncallednanparameter.n
Ans:nTrue
Response:nSeensectionn1.2,nBasicnStatisticalnConceptsn
Difficulty:nEasy
LearningnObjective:n1.2:n definenimportantnstatisticalnterms,nincludingnpopulation,nsample,nandnparameter,n
asntheynrelatentondescriptivenandninferentialnstatistics.


8. Ancensusnisnthenprocessnofngatheringndatanonnallnthenentitiesninnthenpopulation.n
Ans:nTrue
Response:nSeensectionn1.2,nBasicnStatisticalnConceptsn
Difficulty:nEasy
LearningnObjective:n1.2:n definenimportantnstatisticalnterms,nincludingnpopulation,nsample,nandnparameter,n
asntheynrelatentondescriptivenandninferentialnstatistics.



9. Statisticsnisncommonlyndividednintontwonbranchesncalledndescriptivenstatisticsnandnsummarynstatistics.n
Ans:nFalse
Response:nSeensectionn1.2,nBasicnStatisticalnConceptsn
Difficulty:nEasy
LearningnObjective:n1.2:n definenimportantnstatisticalnterms,nincludingnpopulation,nsample,nandnparameter,n
asntheynrelatentondescriptivenandninferentialnstatistics.



10. Andescriptivenmeasurenofnthensamplenisncallednanstatistic.n
Ans:nTrue
Response:nSeensectionn1.2,nBasicnStatisticalnConceptsn
Difficulty:nEasy
LearningnObjective:n1.2:n definenimportantnstatisticalnterms,nincludingnpopulation,nsample,nandnparameter,n
asntheynrelatentondescriptivenandninferentialnstatistics.



11. Gatheringndatanfromnansamplentonreachnconclusionsnaboutnthenpopulationnfromnwhichnthensamplenwasn
drawnnisncalledndescriptivenstatistics.
Ans:nFalse
Response:nSeensectionn1.2,nBasicnStatisticalnConceptsn
Difficulty:nMedium
LearningnObjective:n1.2:n definenimportantnstatisticalnterms,nincludingnpopulation,nsample,nandnparameter,n
asntheynrelatentondescriptivenandninferentialnstatistics.


12. Calculationnofnpopulationnparametersnisnusuallyneithernimpossiblenornexcessivelyntimenconsumingnandn
costly.
Ans:nTrue
Response:nSeensectionn1.2,nBasicnStatisticalnConceptsn
Difficulty:nEasy
LearningnObjective:n1.2:n definenimportantnstatisticalnterms,nincludingnpopulation,nsample,nandnparameter,n
asntheynrelatentondescriptivenandninferentialnstatistics.

, 13. Thenbasisnforninferentialnstatisticsnisnthenabilityntonmakendecisionsnaboutnpopulationnparametersnwithoutn
havingntoncompletenancensusnofnthenpopulation.
Ans:nTrue
Response:nSeensectionn1.2,nBasicnStatisticalnConceptsn
Difficulty:nEasy
LearningnObjective:n1.2:n definenimportantnstatisticalnterms,nincludingnpopulation,nsample,nandnparameter,n
asntheynrelatentondescriptivenandninferentialnstatistics.



14. Anvariablenisnannumericalndescriptionnofneachnofnthenpossiblenoutcomesnofnannexperiment.n
Ans:nTrue
Response:nSeensectionn1.3nVariablenandndatanDifficulty
:nMedium
LearningnObjective:n1.3:nExplainnthendifferencenbetweennvariables,nmeasurement,nandndata.


15. Variablesnandnmeasurementndatanareninterchangeablenterms.n
Ans:nFalse
Response:nSeensectionn1.3nVariablenandndatanDifficulty
:nMedium
LearningnObjective:n1.3:nExplainnthendifferencenbetweennvariables,nmeasurement,nandndata.


16. Measurementsnoccurnwhennanstandardnprocessnisnusedntonassignnnumbersntonattributesnorncharacteristicsn
ofnanvariable.
Ans:nTrue
Response:nSeensectionn1.3nVariablenandndatanDifficulty
:nMedium
LearningnObjective:n1.3:nExplainnthendifferencenbetweennvariables,nmeasurement,nandndata.


17. Allnnumericalndatanmustnbenanalyzednstatisticallyninnthensamenwaynbecausenallnofnthemnarenrepresentedn
bynnumbers.
Ans:nFalse
Response:nSeensectionn1.4,nDatanMeasurementnDifficu
lty:nMedium
LearningnObjective:n1.4:nComparenthenfourndifferentnlevelsnofndata:nnominal,nordinal,ninterval,nandnratio.


18. Thenmannerninnwhichnnumericalndatancannbenanalyzednstatisticallyndependsnonnthenlevelnofndatan
measurementnrepresentednbynnumbersnbeingnanalyzed.
Ans:nTrue
Response:nSeensectionn1.4,nDatanMeasurementnDifficu
lty:nMedium
LearningnObjective:n1.4:nComparenthenfourndifferentnlevelsnofndata:nnominal,nordinal,ninterval,nandnratio.