Test bank for business statistics for contemporary decision making 8th edition by black isbn 1118494. I

,File:lch01,lChapterl1:lIntroductionltolStatisticslT


rue/False



1. Virtuallylalllareasloflbusinessluselstatisticslinldecisionlmaking.lA
ns:lTrue
Response:lSeelsectionl1.1,lStatisticslinlBusinesslD
ifficulty:lEasy
LearninglObjective:l1.1:lListlquantitativelandlgraphicallexamplesloflstatisticslwithinlalbusinesslcontext.


2. Statisticslcanlbelusedltolpredictlthelbusinesslfuture.lA
ns:lTrue
Response:lSeelsectionl1.1,lStatisticslinlBusinesslD
ifficulty:lEasy
LearninglObjective:l1.1:lListlquantitativelandlgraphicallexamplesloflstatisticslwithinlalbusinesslcontext.


3. Statisticslarelusedltolmarketlvitamins.l
Ans:lTrue
Response:lSeelsectionl1.1,lStatisticslinlBusinesslD
ifficulty:lEasy
LearninglObjective:l1.1:lListlquantitativelandlgraphicallexamplesloflstatisticslwithinlalbusinesslcontext.

4. AllistloflfinallgradeslinlanlintroductorylclasslinlbusinesslislanlexampleloflstatisticslAns:
lfalse

Response:lSeelsectionl1.1,lStatisticslinlBusinesslD
ifficulty:lEasy
LearninglObjective:l1.1:lListlquantitativelandlgraphicallexamplesloflstatisticslwithinlalbusinesslcontext.


5. Thelcompletelcollectionloflalllentitieslunderlstudylislcalledlthelsample.lAn
s:lFalse
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:l definelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparameter,laslt
heylrelateltoldescriptivelandlinferentiallstatistics.


6. Alportionlorlsubsetloflthelentitieslunderlstudylislcalledlthelstatistic.lAn
s:lFalse
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:l definelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparameter,laslt
heylrelateltoldescriptivelandlinferentiallstatistics.

,7. Aldescriptivelmeasureloflthelpopulationlislcalledlalparameter.lA
ns:lTrue
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:l definelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparameter,laslt
heylrelateltoldescriptivelandlinferentiallstatistics.


8. Alcensuslislthelprocessloflgatheringldatalonlalllthelentitieslinlthelpopulation.lAns
:lTrue
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:l definelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparameter,laslt
heylrelateltoldescriptivelandlinferentiallstatistics.



9. Statisticslislcommonlyldividedlintoltwolbrancheslcalledldescriptivelstatisticslandlsummarylstatistics.lAns
:lFalse
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:l definelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparameter,laslt
heylrelateltoldescriptivelandlinferentiallstatistics.



10. Aldescriptivelmeasureloflthelsamplelislcalledlalstatistic.lA
ns:lTrue
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:l definelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparameter,laslt
heylrelateltoldescriptivelandlinferentiallstatistics.



11. Gatheringldatalfromlalsampleltolreachlconclusionslaboutlthelpopulationlfromlwhichlthelsamplelwasldra
wnlislcalledldescriptivelstatistics.
Ans:lFalse
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lMedium
LearninglObjective:l1.2:l definelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparameter,laslt
heylrelateltoldescriptivelandlinferentiallstatistics.


12. Calculationloflpopulationlparameterslislusuallyleitherlimpossiblelorlexcessivelyltimelconsuminglandlcost
ly.
Ans:lTrue
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:l definelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparameter,laslt
heylrelateltoldescriptivelandlinferentiallstatistics.

, 13. Thelbasislforlinferentiallstatisticslislthelabilityltolmakeldecisionslaboutlpopulationlparameterslwithoutlhavi
ngltolcompletelalcensusloflthelpopulation.
Ans:lTrue
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:l definelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparameter,laslt
heylrelateltoldescriptivelandlinferentiallstatistics.



14. Alvariablelislalnumericalldescriptionlofleachloflthelpossibleloutcomesloflanlexperiment.lAns
:lTrue
Response:lSeelsectionl1.3lVariablelandldatalD
ifficulty:lMedium
LearninglObjective:l1.3:lExplainltheldifferencelbetweenlvariables,lmeasurement,landldata.


15. Variableslandlmeasurementldatalarelinterchangeablelterms.lA
ns:lFalse
Response:lSeelsectionl1.3lVariablelandldatalD
ifficulty:lMedium
LearninglObjective:l1.3:lExplainltheldifferencelbetweenlvariables,lmeasurement,landldata.


16. Measurementsloccurlwhenlalstandardlprocesslislusedltolassignlnumbersltolattributeslorlcharacteristicsloflal
variable.
Ans:lTrue
Response:lSeelsectionl1.3lVariablelandldatalD
ifficulty:lMedium
LearninglObjective:l1.3:lExplainltheldifferencelbetweenlvariables,lmeasurement,landldata.


17. Alllnumericalldatalmustlbelanalyzedlstatisticallylinlthelsamelwaylbecauselallloflthemlarelrepresentedlbylnu
mbers.
Ans:lFalse
Response:lSeelsectionl1.4,lDatalMeasurementl
Difficulty:lMedium
LearninglObjective:l1.4:lComparelthelfourldifferentllevelslofldata:lnominal,lordinal,linterval,landlratio.


18. Thelmannerlinlwhichlnumericalldatalcanlbelanalyzedlstatisticallyldependslonlthellevellofldatalmea
surementlrepresentedlbylnumberslbeinglanalyzed.
Ans:lTrue
Response:lSeelsectionl1.4,lDatalMeasurementl
Difficulty:lMedium
LearninglObjective:l1.4:lComparelthelfourldifferentllevelslofldata:lnominal,lordinal,linterval,landlratio.