sYTrue/False
1. VirtuallyYallYareasYofYbusinessYuseYstatisticsYinYdecisionYmakin
g.YAns:YTrue
Response:YSeeYsectionY1.1,YStatisticsYinYBusines
sYDifficulty:YEasy
LearningYObjective:Y1.1:YListYquantitativeYandYgraphicalYexamplesYofYstatisticsYwithinYaYbusinessYcontext.
2. StatisticsYcanYbeYusedYtoYpredictYtheYbusinessYfutur
e.YAns:YTrue
Response:YSeeYsectionY1.1,YStatisticsYinYBusines
sYDifficulty:YEasy
LearningYObjective:Y1.1:YListYquantitativeYandYgraphicalYexamplesYofYstatisticsYwithinYaYbusinessYcontext.
3. StatisticsYareYusedYtoYmarketYvitamin
s.YAns:YTrue
Response:YSeeYsectionY1.1,YStatisticsYinYBusines
sYDifficulty:YEasy
LearningYObjective:Y1.1:YListYquantitativeYandYgraphicalYexamplesYofYstatisticsYwithinYaYbusinessYcontext.
4. AYlistYofYfinalYgradesYinYanYintroductoryYclassYinYbusinessYisYanYexampleYofYstatist
icsYAns:Yfalse
Response:YSeeYsectionY1.1,YStatisticsYinYBusines
sYDifficulty:YEasy
LearningYObjective:Y1.1:YListYquantitativeYandYgraphicalYexamplesYofYstatisticsYwithinYaYbusinessYcontext.
5. TheYcompleteYcollectionYofYallYentitiesYunderYstudyYisYcalledYtheYsamp
le.YAns:YFalse
Response:YSeeYsectionY1.2,YBasicYStatisticalYConcept
sYDifficulty:YEasy
LearningYObjective:Y1.2:Y defineYimportantYstatisticalYterms,YincludingYpopulation,Ysample,YandYparamet
er,YasYtheyYrelateYtoYdescriptiveYandYinferentialYstatistics.
6. AYportionYorYsubsetYofYtheYentitiesYunderYstudyYisYcalledYtheYstatist
ic.YAns:YFalse
Response:YSeeYsectionY1.2,YBasicYStatisticalYConcept
sYDifficulty:YEasy
LearningYObjective:Y1.2:Y defineYimportantYstatisticalYterms,YincludingYpopulation,Ysample,YandYparamet
er,YasYtheyYrelateYtoYdescriptiveYandYinferentialYstatistics.
,7. AYdescriptiveYmeasureYofYtheYpopulationYisYcalledYaYparamet
er.YAns:YTrue
Response:YSeeYsectionY1.2,YBasicYStatisticalYConcept
sYDifficulty:YEasy
LearningYObjective:Y1.2:Y defineYimportantYstatisticalYterms,YincludingYpopulation,Ysample,YandYparamet
er,YasYtheyYrelateYtoYdescriptiveYandYinferentialYstatistics.
8. AYcensusYisYtheYprocessYofYgatheringYdataYonYallYtheYentitiesYinYtheYpopulati
on.YAns:YTrue
Response:YSeeYsectionY1.2,YBasicYStatisticalYConcept
sYDifficulty:YEasy
LearningYObjective:Y1.2:Y defineYimportantYstatisticalYterms,YincludingYpopulation,Ysample,YandYparamet
er,YasYtheyYrelateYtoYdescriptiveYandYinferentialYstatistics.
9. StatisticsYisYcommonlyYdividedYintoYtwoYbranchesYcalledYdescriptiveYstatisticsYandYsummaryYstatisti
cs.YAns:YFalse
Response:YSeeYsectionY1.2,YBasicYStatisticalYConcept
sYDifficulty:YEasy
LearningYObjective:Y1.2:Y defineYimportantYstatisticalYterms,YincludingYpopulation,Ysample,YandYparamet
er,YasYtheyYrelateYtoYdescriptiveYandYinferentialYstatistics.
10. AYdescriptiveYmeasureYofYtheYsampleYisYcalledYaYstatisti
c.YAns:YTrue
Response:YSeeYsectionY1.2,YBasicYStatisticalYConcept
sYDifficulty:YEasy
LearningYObjective:Y1.2:Y defineYimportantYstatisticalYterms,YincludingYpopulation,Ysample,YandYparamet
er,YasYtheyYrelateYtoYdescriptiveYandYinferentialYstatistics.
11. GatheringYdataYfromYaYsampleYtoYreachYconclusionsYaboutYtheYpopulationYfromYwhichYtheYsampleY
wasYdrawnYisYcalledYdescriptiveYstatistics.
Ans:YFalse
Response:YSeeYsectionY1.2,YBasicYStatisticalYConcept
sYDifficulty:YMedium
LearningYObjective:Y1.2:Y defineYimportantYstatisticalYterms,YincludingYpopulation,Ysample,YandYparamet
er,YasYtheyYrelateYtoYdescriptiveYandYinferentialYstatistics.
12. CalculationYofYpopulationYparametersYisYusuallyYeitherYimpossibleYorYexcessivelyYtimeYconsumingYa
ndYcostly.
Ans:YTrue
Response:YSeeYsectionY1.2,YBasicYStatisticalYConcept
sYDifficulty:YEasy
LearningYObjective:Y1.2:Y defineYimportantYstatisticalYterms,YincludingYpopulation,Ysample,YandYparamet
er,YasYtheyYrelateYtoYdescriptiveYandYinferentialYstatistics.
, 13. TheYbasisYforYinferentialYstatisticsYisYtheYabilityYtoYmakeYdecisionsYaboutYpopulationYparametersYwith
outYhavingYtoYcompleteYaYcensusYofYtheYpopulation.
Ans:YTrue
Response:YSeeYsectionY1.2,YBasicYStatisticalYConcept
sYDifficulty:YEasy
LearningYObjective:Y1.2:Y defineYimportantYstatisticalYterms,YincludingYpopulation,Ysample,YandYparamet
er,YasYtheyYrelateYtoYdescriptiveYandYinferentialYstatistics.
14. AYvariableYisYaYnumericalYdescriptionYofYeachYofYtheYpossibleYoutcomesYofYanYexperime
nt.YAns:YTrue
Response:YSeeYsectionY1.3YVariableYandYdat
aYDifficulty:YMedium
LearningYObjective:Y1.3:YExplainYtheYdifferenceYbetweenYvariables,Ymeasurement,YandYdata.
15. VariablesYandYmeasurementYdataYareYinterchangeableYterm
s.YAns:YFalse
Response:YSeeYsectionY1.3YVariableYandYdat
aYDifficulty:YMedium
LearningYObjective:Y1.3:YExplainYtheYdifferenceYbetweenYvariables,Ymeasurement,YandYdata.
16. MeasurementsYoccurYwhenYaYstandardYprocessYisYusedYtoYassignYnumbersYtoYattributesYorYcharacterist
icsYofYaYvariable.
Ans:YTrue
Response:YSeeYsectionY1.3YVariableYandYdat
aYDifficulty:YMedium
LearningYObjective:Y1.3:YExplainYtheYdifferenceYbetweenYvariables,Ymeasurement,YandYdata.
17. AllYnumericalYdataYmustYbeYanalyzedYstatisticallyYinYtheYsameYwayYbecauseYallYofYthemYareYrepresen
tedYbyYnumbers.
Ans:YFalse
Response:YSeeYsectionY1.4,YDataYMeasureme
ntYDifficulty:YMedium
LearningYObjective:Y1.4:YCompareYtheYfourYdifferentYlevelsYofYdata:Ynominal,Yordinal,Yinterval,YandYratio.
18. TheYmannerYinYwhichYnumericalYdataYcanYbeYanalyzedYstatisticallyYdependsYonYtheYlevelYofYd
ataYmeasurementYrepresentedYbyYnumbersYbeingYanalyzed.
Ans:YTrue
Response:YSeeYsectionY1.4,YDataYMeasureme
ntYDifficulty:YMedium
LearningYObjective:Y1.4:YCompareYtheYfourYdifferentYlevelsYofYdata:Ynominal,Yordinal,Yinterval,YandYratio.