Test Bank for Business Statistics For Contemporary Decision Making 8th Edition by Black Complete

,File:pch01,pChapterp1:pIntroductionptopStatisticsp


True/False



1. Virtuallypallpareaspofpbusinesspusepstatisticspinpdecisionpmaking.p
Ans:pTrue
Response:pSeepsectionp1.1,pStatisticspinpBusinessp
Difficulty:pEasy
LearningpObjective:p1.1:pListpquantitativepandpgraphicalpexamplespofpstatisticspwithinpapbusinesspcontext.


2. Statisticspcanpbepusedptoppredictpthepbusinesspfuture.p
Ans:pTrue
Response:pSeepsectionp1.1,pStatisticspinpBusinessp
Difficulty:pEasy
LearningpObjective:p1.1:pListpquantitativepandpgraphicalpexamplespofpstatisticspwithinpapbusinesspcontext.


3. Statisticsparepusedptopmarketpvitamins.p
Ans:pTrue
Response:pSeepsectionp1.1,pStatisticspinpBusinessp
Difficulty:pEasy
LearningpObjective:p1.1:pListpquantitativepandpgraphicalpexamplespofpstatisticspwithinpapbusinesspcontext.

4. Aplistpofpfinalpgradespinpanpintroductorypclasspinpbusinesspispanpexamplepofpstatisticsp
Ans:pfalse
Response:pSeepsectionp1.1,pStatisticspinpBusinessp
Difficulty:pEasy
LearningpObjective:p1.1:pListpquantitativepandpgraphicalpexamplespofpstatisticspwithinpapbusinesspcontext.


5. Thepcompletepcollectionpofpallpentitiespunderpstudypispcalledpthepsample.p
Ans:pFalse
Response:pSeepsectionp1.2,pBasicpStatisticalpConceptsp
Difficulty:pEasy
LearningpObjective:p1.2:p definepimportantpstatisticalpterms,pincludingppopulation,psample,pandpparameter,p
asptheyprelateptopdescriptivepandpinferentialpstatistics.


6. Apportionporpsubsetpofpthepentitiespunderpstudypispcalledpthepstatistic.p
Ans:pFalse
Response:pSeepsectionp1.2,pBasicpStatisticalpConceptsp
Difficulty:pEasy
LearningpObjective:p1.2:p definepimportantpstatisticalpterms,pincludingppopulation,psample,pandpparameter,p
asptheyprelateptopdescriptivepandpinferentialpstatistics.

,7. Apdescriptivepmeasurepofptheppopulationpispcalledpapparameter.p
Ans:pTrue
Response:pSeepsectionp1.2,pBasicpStatisticalpConceptsp
Difficulty:pEasy
LearningpObjective:p1.2:p definepimportantpstatisticalpterms,pincludingppopulation,psample,pandpparameter,p
asptheyprelateptopdescriptivepandpinferentialpstatistics.


8. Apcensuspispthepprocesspofpgatheringpdataponpallpthepentitiespinptheppopulation.p
Ans:pTrue
Response:pSeepsectionp1.2,pBasicpStatisticalpConceptsp
Difficulty:pEasy
LearningpObjective:p1.2:p definepimportantpstatisticalpterms,pincludingppopulation,psample,pandpparameter,p
asptheyprelateptopdescriptivepandpinferentialpstatistics.



9. Statisticspispcommonlypdividedpintoptwopbranchespcalledpdescriptivepstatisticspandpsummarypstatistics.p
Ans:pFalse
Response:pSeepsectionp1.2,pBasicpStatisticalpConceptsp
Difficulty:pEasy
LearningpObjective:p1.2:p definepimportantpstatisticalpterms,pincludingppopulation,psample,pandpparameter,p
asptheyprelateptopdescriptivepandpinferentialpstatistics.



10. Apdescriptivepmeasurepofpthepsamplepispcalledpapstatistic.p
Ans:pTrue
Response:pSeepsectionp1.2,pBasicpStatisticalpConceptsp
Difficulty:pEasy
LearningpObjective:p1.2:p definepimportantpstatisticalpterms,pincludingppopulation,psample,pandpparameter,p
asptheyprelateptopdescriptivepandpinferentialpstatistics.



11. Gatheringpdatapfrompapsampleptopreachpconclusionspaboutptheppopulationpfrompwhichpthepsamplepwasp
drawnpispcalledpdescriptivepstatistics.
Ans:pFalse
Response:pSeepsectionp1.2,pBasicpStatisticalpConceptsp
Difficulty:pMedium
LearningpObjective:p1.2:p definepimportantpstatisticalpterms,pincludingppopulation,psample,pandpparameter,p
asptheyprelateptopdescriptivepandpinferentialpstatistics.


12. Calculationpofppopulationpparameterspispusuallypeitherpimpossibleporpexcessivelyptimepconsumingpandp
costly.
Ans:pTrue
Response:pSeepsectionp1.2,pBasicpStatisticalpConceptsp
Difficulty:pEasy
LearningpObjective:p1.2:p definepimportantpstatisticalpterms,pincludingppopulation,psample,pandpparameter,p
asptheyprelateptopdescriptivepandpinferentialpstatistics.

, 13. Thepbasispforpinferentialpstatisticspispthepabilityptopmakepdecisionspaboutppopulationpparameterspwithoutp
havingptopcompletepapcensuspofptheppopulation.
Ans:pTrue
Response:pSeepsectionp1.2,pBasicpStatisticalpConceptsp
Difficulty:pEasy
LearningpObjective:p1.2:p definepimportantpstatisticalpterms,pincludingppopulation,psample,pandpparameter,p
asptheyprelateptopdescriptivepandpinferentialpstatistics.



14. Apvariablepispapnumericalpdescriptionpofpeachpofptheppossiblepoutcomespofpanpexperiment.p
Ans:pTrue
Response:pSeepsectionp1.3pVariablepandpdatap
Difficulty:pMedium
LearningpObjective:p1.3:pExplainpthepdifferencepbetweenpvariables,pmeasurement,pandpdata.


15. Variablespandpmeasurementpdataparepinterchangeablepterms.p
Ans:pFalse
Response:pSeepsectionp1.3pVariablepandpdatap
Difficulty:pMedium
LearningpObjective:p1.3:pExplainpthepdifferencepbetweenpvariables,pmeasurement,pandpdata.


16. Measurementspoccurpwhenpapstandardpprocesspispusedptopassignpnumbersptopattributesporpcharacteristicsp
ofpapvariable.
Ans:pTrue
Response:pSeepsectionp1.3pVariablepandpdatap
Difficulty:pMedium
LearningpObjective:p1.3:pExplainpthepdifferencepbetweenpvariables,pmeasurement,pandpdata.


17. Allpnumericalpdatapmustpbepanalyzedpstatisticallypinpthepsamepwaypbecausepallpofpthempareprepresentedpb
ypnumbers.
Ans:pFalse
Response:pSeepsectionp1.4,pDatapMeasurementp
Difficulty:pMedium
LearningpObjective:p1.4:pComparepthepfourpdifferentplevelspofpdata:pnominal,pordinal,pinterval,pandpratio.


18. Thepmannerpinpwhichpnumericalpdatapcanpbepanalyzedpstatisticallypdependsponptheplevelpofpdatap
measurementprepresentedpbypnumberspbeingpanalyzed.
Ans:pTrue
Response:pSeepsectionp1.4,pDatapMeasurementp
Difficulty:pMedium
LearningpObjective:p1.4:pComparepthepfourpdifferentplevelspofpdata:pnominal,pordinal,pinterval,pandpratio.