d d d d
For Contemporary Decision
d d d
Making 11th Edition by Ken
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Black|9781119905448| All
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Chapters|LATEST
d
,Chapter d1: dIntroduction dto dStatistics
True/False
1. Virtually dall dareas dof dbusiness duse dstatistics din
ddecision dmaking.Ans: dTrue
Response: dSee dsection d1.1, dStatistics din
dBusinessDifficulty: dEasy
Learning dObjective: d 1.1: dList d quantitative d and dgraphical dexamples d of dstatistics dwithin da dbusiness dcontext.
2. Statistics dcan dbe dused dto dpredict dthe
dbusiness dfuture.Ans: dTrue
Response: dSee dsection d1.1, dStatistics din
dBusinessDifficulty: dEasy
Learning dObjective: d 1.1: dList d quantitative d and dgraphical dexamples d of dstatistics dwithin da dbusiness dcontext.
3. Statistics dare dused dto
dmarket dvitamins.Ans: dTrue
Response: dSee dsection d1.1, dStatistics din
dBusinessDifficulty: dEasy
Learning dObjective: d 1.1: dList d quantitative d and dgraphical dexamples d of dstatistics dwithin da dbusiness dcontext.
4. A dlist dof dfinal dgrades din dan dintroductory dclass din dbusiness dis dan dexample
dof dstatisticsAns: dfalse
Response: dSee dsection d1.1, dStatistics din
dBusinessDifficulty: dEasy
Learning dObjective: d 1.1: dList d quantitative d and dgraphical dexamples d of dstatistics dwithin da dbusiness dcontext.
5. The dcomplete dcollection dof dall dentities dunder dstudy dis dcalled
dthe dsample.Ans: dFalse
Response: dSee dsection d1.2, dBasic dStatistical
dConceptsDifficulty: dEasy
Learning dObjective: d1.2: d define dimportant dstatistical dterms, dincluding dpopulation, dsample, dand
dparameter,as dthey drelate dto ddescriptive dand dinferential dstatistics.
6. A dportion dor dsubset dof dthe dentities dunder dstudy dis dcalled
dthe dstatistic.Ans: dFalse
Response: dSee dsection d1.2, dBasic dStatistical
dConceptsDifficulty: dEasy
Learning dObjective: d1.2: d define dimportant dstatistical dterms, dincluding dpopulation, dsample, dand
dparameter,as dthey drelate dto ddescriptive dand dinferential dstatistics.
,7. A ddescriptive dmeasure dof dthe dpopulation dis dcalled
da dparameter.Ans: dTrue
Response: dSee dsection d1.2, dBasic dStatistical
dConceptsDifficulty: dEasy
Learning dObjective: d1.2: d define dimportant dstatistical dterms, dincluding dpopulation, dsample, dand
dparameter,as dthey drelate dto ddescriptive dand dinferential dstatistics.
8. A dcensus dis dthe dprocess dof dgathering ddata don dall dthe dentities din
dthe dpopulation.Ans: dTrue
Response: dSee dsection d1.2, dBasic dStatistical
dConceptsDifficulty: dEasy
Learning dObjective: d1.2: d define dimportant dstatistical dterms, dincluding dpopulation, dsample, dand
dparameter,as dthey drelate dto ddescriptive dand dinferential dstatistics.
9. Statistics dis dcommonly ddivided dinto dtwo dbranches dcalled ddescriptive dstatistics dand
dsummary dstatistics.Ans: dFalse
Response: dSee dsection d1.2, dBasic dStatistical
dConceptsDifficulty: dEasy
Learning dObjective: d1.2: d define dimportant dstatistical dterms, dincluding dpopulation, dsample, dand
dparameter,as dthey drelate dto ddescriptive dand dinferential dstatistics.
10. A ddescriptive dmeasure dof dthe dsample dis dcalled
da dstatistic.Ans: dTrue
Response: dSee dsection d1.2, dBasic dStatistical
dConceptsDifficulty: dEasy
Learning dObjective: d1.2: d define dimportant dstatistical dterms, dincluding dpopulation, dsample, dand
dparameter,as dthey drelate dto ddescriptive dand dinferential dstatistics.
11. Gathering ddata dfrom da dsample dto dreach dconclusions dabout dthe dpopulation dfrom dwhich dthe
dsample dwasdrawn dis dcalled ddescriptive dstatistics.
Ans: d False
Response: dSee dsection d1.2, dBasic dStatistical
dConceptsDifficulty: dMedium
Learning dObjective: d1.2: d define dimportant dstatistical dterms, dincluding dpopulation, dsample, dand
dparameter,as dthey drelate dto ddescriptive dand dinferential dstatistics.
12. Calculation dof dpopulation dparameters dis dusually deither dimpossible dor dexcessively dtime
dconsuming dandcostly.
Ans: dTrue
Response: dSee dsection d1.2, dBasic dStatistical
dConceptsDifficulty: dEasy
Learning dObjective: d1.2: d define dimportant dstatistical dterms, dincluding dpopulation, dsample, dand
dparameter,as dthey drelate dto ddescriptive dand dinferential dstatistics.
, 13. The dbasis dfor dinferential dstatistics dis dthe dability dto dmake ddecisions dabout dpopulation
dparameters dwithouthaving dto dcomplete da dcensus dof dthe dpopulation.
Ans: dTrue
Response: dSee dsection d1.2, dBasic dStatistical
dConceptsDifficulty: dEasy
Learning dObjective: d1.2: d define dimportant dstatistical dterms, dincluding dpopulation, dsample, dand
dparameter,as dthey drelate dto ddescriptive dand dinferential dstatistics.
14. A dvariable dis da dnumerical ddescription dof deach dof dthe dpossible doutcomes dof
dan dexperiment.Ans: dTrue
Response: dSee dsection d1.3 dVariable dand
ddataDifficulty: dMedium
Learning dObjective: d 1.3: dExplain dthe d difference dbetween dvariables, dmeasurement, dand ddata.
15. Variables dand dmeasurement ddata dare
dinterchangeable dterms.Ans: dFalse
Response: dSee dsection d1.3 dVariable dand
ddataDifficulty: dMedium
Learning dObjective: d 1.3: dExplain dthe d difference dbetween dvariables, dmeasurement, dand ddata.
16. Measurements doccur dwhen da dstandard dprocess dis dused dto dassign dnumbers dto dattributes
dor dcharacteristicsof da dvariable.
Ans: dTrue
Response: dSee dsection d1.3 dVariable dand
ddataDifficulty: dMedium
Learning dObjective: d 1.3: dExplain dthe d difference dbetween dvariables, dmeasurement, dand ddata.
17. All dnumerical ddata dmust dbe danalyzed dstatistically din dthe dsame dway dbecause dall dof dthem
dare drepresentedby dnumbers.
Ans: d False
Response: dSee dsection d1.4, dData
dMeasurementDifficulty: dMedium
Learning dObjective: d1.4: d Compare dthe dfour ddifferent d levels d of d data: dnominal, d ordinal, dinterval, dand dratio.
18. The dmanner din dwhich dnumerical ddata dcan dbe danalyzed dstatistically ddepends don dthe dlevel
dof ddatameasurement drepresented dby dnumbers dbeing danalyzed.
Ans: dTrue
Response: dSee dsection d1.4, dData
dMeasurementDifficulty: dMedium
Learning dObjective: d 1.4: dCompare dthe dfour d different dlevels dof ddata: dnominal, dordinal, d interval, dand dratio.