Test Bank for Business Statistics for Contemporary Decision Making 7th Edition by Black Complete

,File:lch01,lChapterl1:lIntroductionltolStatistics


True/False



1. Virtuallylalllareasloflbusinessluselstatisticslinldecisionlmaking.

Ans:lTrue
Response:lSeelsectionl1.1,lStatisticslinlBusinesslD
ifficulty:lEasy
LearninglObjective:l1.1:lListlquantitativelandlgraphicallexamplesloflstatisticslwithinlalbusinesslconte
xt.



2. Thelcompletelcollectionloflalllentitieslunderlstudylislcalledlthelsample.

Ans:lFalse
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:ldefinelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparamet
er,lasltheylrelateltoldescriptivelandlinferentiallstatistics.



3. Alportionlorlsubsetloflthelentitieslunderlstudylislcalledlthelstatistic.

Ans:lFalse
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:ldefinelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparamet
er,lasltheylrelateltoldescriptivelandlinferentiallstatistics.



4. Aldescriptivelmeasureloflthelpopulationlislcalledlalparameter.

Ans:lTrue
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:ldefinelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparamet
er,lasltheylrelateltoldescriptivelandlinferentiallstatistics.

,5. Alcensuslislthelprocessloflgatheringldatalonlalllthelentitieslinlthelpopulation.

Ans:lTrue
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:ldefinelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparamet
er,lasltheylrelateltoldescriptivelandlinferentiallstatistics.



6. Statisticslislcommonlyldividedlintoltwolbrancheslcalledldescriptivelstatisticslandlsummarylsta
tistics.

Ans:lFalse
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:ldefinelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparamet
er,lasltheylrelateltoldescriptivelandlinferentiallstatistics.



7. Aldescriptivelmeasureloflthelsamplelislcalledlalstatistic.

Ans:lTrue
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:ldefinelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparamet
er,lasltheylrelateltoldescriptivelandlinferentiallstatistics.



8. Gatheringldatalfromlalsampleltolreachlconclusionslaboutlthelpopulationlfromlwhichlthelsa
mplelwasldrawnlislcalledldescriptivelstatistics.

Ans:lFalse
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lMedium
LearninglObjective:l1.2:ldefinelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparamet
er,lasltheylrelateltoldescriptivelandlinferentiallstatistics.

, 9. Calculationloflpopulationlparameterslislusuallyleitherlimpossiblelorlexcessivelyltimelco
nsuminglandlcostly.

Ans:lTrue
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:ldefinelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparamet
er,lasltheylrelateltoldescriptivelandlinferentiallstatistics.



10. Thelbasislforlinferentiallstatisticslislthelabilityltolmakeldecisionslaboutlpopulationlparameterslwit
houtlhavingltolcompletelalcensusloflthelpopulation.

Ans:lTrue
Response:lSeelsectionl1.2,lBasiclStatisticallConceptslD
ifficulty:lEasy
LearninglObjective:l1.2:ldefinelimportantlstatisticallterms,lincludinglpopulation,lsample,landlparamet
er,lasltheylrelateltoldescriptivelandlinferentiallstatistics.




11. Alllnumericalldatalmustlbelanalyzedlstatisticallylinlthelsamelwaylbecauselallloflthemlarelrep
resentedlbylnumbers.

Ans:lFalse
Response:lSeelsectionl1.4,lDatalMeasurementlD
ifficulty:lMedium
LearninglObjective:l1.4:lComparelthelfourldifferentllevelslofldata:lnominal,lordinal,linterval,landlratio
.



12. Thelmannerlinlwhichlnumericalldatalcanlbelanalyzedlstatisticallyldependslonlthellevellofldatalmea
surementlrepresentedlbylnumberslbeinglanalyzed.

Ans:lTrue
Response:lSeelsectionl1.4,lDatalMeasurementlD
ifficulty:lMedium
LearninglObjective:l1.4:lComparelthelfourldifferentllevelslofldata:lnominal,lordinal,linterval,landlratio.