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商务决策与分析选择题doc
BusinessDecisionAnalysis
ReviewSections-Choice
Chapter01
Whichofthefollowingtermsisinterchangeablewithquantitativeanalysis?
A）managementscience
B）economics
C）financialanalysis
D）statistics
E）Noneoftheabove
Whoiscred让edwithpioneeringtheprinciplesofthescientificapproachtomanagement?
A）AdamSmith
B）HenriFayol
C）JohnR.Locke
D）FrederickW.Taylor
E）CharlesBabbage
A（n）isarepresentationofrealityorareal-lifesituation.
A）objective
B）model
C）analysis
D）algorithm
E）Noneoftheabove
Asetoflogicalandmathematicaloperationsperformedinaspecificsequenceiscalleda（n）
A）completeenumeration.
B）diagnosticanalysis・
C）algorithm・
D）objective・
E）Noneoftheabove
Theabilitytoexaminethevariabilityofasolutionduetochangesintheformulationofaproblemisanimportantpartoftheanalysisoftheresults.Thistypeofanalysisiscalledanalysis.
A）sensitivity
B）implicit
C）normal
D）scale
E）objective
Whichofthefollowingisnotoneofthestepsinthequantitativeanalysisapproach?
A）DefiningtheProblem
B）DevelopingaSolution
C）Observingahypothesis
D）TestingaSolution
E）ImplementingtheResults
Theconditionofimproperdatayieldingmisleadingresultsisreferredtoas
A）garbagein,garbageout.
B）break-evenpoint.
C）uncontrollablevariable・
D）postoptimality.
E）Noneoftheabove
Expressingprofitsthroughtherelationshipamongunitprice,fixedcosts,andvariablecostsisanexampleof
A）asensitivityanalysismodel.
B）aquantitativeanalysismodel・
C）apostoptimal让yrelationship・
D）aparameterspecificationmodel.
E）Noneoftheabove
Chapter02
Theclassicalmethodofdeterminingprobabilityis
A）subjectiveprobabil让y.
B）marginalprobability.
C）objectiveprobability.
D）jointprobability.
E）cond让ionalprobabil让y.
Subjectiveprobabilityassessmentsdependon
A）thetotalnumberoftrials.
B）therelativefrequencyofoccurrence・
C）thenumberofoccurrencesoftheevent.
D）experienceandjudgment.
E）Noneoftheabove
Iftwoeventsaremutuallyexclusive,then
A）theirprobabilitiescanbeadded・
B）theymayalsobecollectivelyexhaustive.
C）thejointprobabilityisequalto0.
D）ifoneoccurs,theothercannotoccur.
E）Alloftheabove
Aisanumericalstatementaboutthelikelihoodthataneventwilloccur.
A）mutuallyexclusiveconstruct
B）collectivelyexhaustiveconstruct
C）variance
D）probabil让y
E）standarddeviation
AconditionalprobabilityP（BIA）isequaltoitsmarginalprobabilityP（B）if
A）itisajointprobability.
B）statisticaldependenceexists.
C）statisticalindependenceexists・
D）theeventsarcmutuallyexclusive.
E）P（A）=P（B）.
TheequationP（AIB）=P（AB）/P（B）is
A）themarginalprobability.
B）theformulaforacond让ionalprobabil让y.
C）theformulaforajointprobabil让y.
D）onlyrelevantwheneventsAandBarecollectivelyexhaustive.
E）Noneoftheabove
Bayes'theoremisusedtocalculate
A）revisedprobabilities.
B）jointprobabilities.
C）priorprobabilities.
D）subjectiveprobabil让ies・
E）marginalprobabilities.
IfP（A）=0.3,P（B）=0.2zP（AandB）=0.0,whatcanbesaidabouteventsAandB?
A）Theyareindependent
B）Theyaremutuallyexclusive.
C）Theyareposteriorprobabilities.
D）Noneoftheabove
E）Alloftheabove
"TheprobabilityofeventB,giventhateventAhasoccurred11isknownasa
probability.
A）continuous
B）marginal
C）simple
D）joint
E）conditional
WhendoesP（AIB）=P（A）?
A）whenAandBaremutuallyexclusive
B）whenAandBarestatisticallyindependent
C）whenAandBarestatisticallydependent
D）whenAandBarecollectivelyexhaustive
E）whenP（B）=0
Chapter03
Ananalyticandsystematicapproachtothestudyofdecisionmakingisreferredtoas
A）decisionmakingunderrisk.
B）decisionmakingunderuncertainty.
C）decisiontheory.
D）decisionanalysis・
E）decisionmakingundercertainty・
Expectedmonetaryvalue（EMV）is
A）theaverageorexpectedmonetaryoutcomeofadecisionif让canberepeatedalargenumberoftimes.
B）theaverageorexpectedvalueofthedecision,ifyouknowwhatwouldhappenaheadoftime.
C）theaverageorexpectedvalueofinformationif让werecompletelyaccurate・
D）theamountyouwouldlosebynotpickingthebestalternative.
E）adecisioncriterionthatplacesanequalweightonallstatesofnature・
Whichofthefollowingisnotconsideredacriteriafordecisionmakingunderuncertainty?
A）optimistic
B）pessimistic
C）equallylikely
D）randomselection
E）minimaxregret
Apessimisticdecisionmakingcriterionis
A）maximax・
B）equallylikely.
C）maximin.
D）decisionmakingundercertainty.
E）minimaxregret.
Whichofthefollowingistrueabouttheexpectedvalueofperfectinformation?
A）Itistheamountyouwouldpayforanysamplestudy.
B）ItiscalculatedasEMVminusEOL.
C）Itiscalculatedasexpectedvaluew让hperfectinformationminusmaximumEMV.
D）Itistheamountchargedformarketingresearch・
E）Noneoftheabove
Whichofthefollowingisnotacharacteristicofagooddecision?
A）basedonlogic
B）considersallavailabledata
C）considersallpossiblealternatives
D）employsappropriatequantitativetechniques
E）alwaysresultsinafavorableoutcome
Thefollowingisapayofftablegivingprofitsforvarioussituations.
StatesofNature
Alternatives
A
B
C
Alternative1
120
140
120
Alternative2
200
100
50
Alternative3
100
120
180
DoNothing
0
0
0
Whatdecisionwouldanoptimistmake?
A）Alternative1
B）Alternative2
C）Alternative3
D）DoNothing
E）StateofNatureA
Thefollowingisapayofftablegivingprofitsforvarioussituations.
StatesofNature
Alternatives
A
B
c
Alternative1
120
140
120
Alternative2
200
100
50
Alternative3
100
120
180
DoNothing
0
0
0
Whatdecisionwouldapessimistmake?
A）Alternative1
B）Alternative2
C）Alternative3
D）DoNothing
E）StateofNatureA
Thefollowingisanopportunitylosstable.
StatesofNature
Alternatives
A
B
C
Alternative1
0
90
85
Alternative2
50
0
110
Alternative3
75
80
0
Whatdecisionshouldbemadebasedontheminimaxregretcriterion?
A）Alternative1
B）Alternative2
C）Alternative3
D）StateofNatureA
E）Doesnotmatter
Thefollowingisanopportunitylosstable.
StatesofNature
Alternatives
A
B
C
Alternative1
30
0
10
Alternative2
5
20
0
Alternative3
0
20
25
Whatdecisionshouldbemadebasedontheminimaxregretcriterion?
A）Alternative1
B）Alternative2
C）Alternative3
D）StateofNatureC
E）Doesnotmatter
Thefollowingisapayofftable.
StatesofNature
Alternatives
A
B
C
Alternative1
30
0
10
Alternative2
5
20
0
Alternative3
0
20
25
Whatdecisionshouldbemadebasedontheminimaxregretcriterion?
A）Alternative1
B）Alternative2
C）Alternative3
D）StateofNatureC
E）Doesnotmatter
Thefollowingisapayofftable.
StatesofNature
Alternatives
A
B
C
Alternative1
0
90
85
Alternative2
50
0
110
Alternative3
75
80
0
Whatdecisionshouldbemadebasedontheminimaxregretcriterion?
A）Alternative1
B）Alternative2
C）Alternative3
D）StateofNatureC
E）Doesnotmatter
Chapter04
Whichofthefollowingstatementsistrueregardingascatterdiagram?
A）Itprovidesveryl让tieinformationabouttherelationshipbetweentheregressionvariables.
B）Itisaplotoftheindependentanddependentvariables・
C）Itisalinechartoftheindependentanddependentvariables・
D）Ithasavaluebetween-1and+1.
E）Itgivesthepercentofvariationinthedependentvariablethatisexplainedbytheindependentvariable・
Therandomerrorinaregressionequation
A）isthepredictederror.
B）includesbothpositiveandnegativeterms.
C）willsumtoalargepositivenumber・
D）isusedtheestimatetheaccuracyoftheslope.
E）ismaximizedinaleastsquaresregressionmodel.
Whichofthefollowingequalitiesiscorrect?
A）SST=SSR+SSE
B）SSR=SST+SSE
C）SSE=SSR+SST
D）SST=SSC+SSR
E）SSE=ActualValue・PredictedValue
Whichofthefollowingstatementsistrueaboutr2?
A）Itisalsocalledthecoefficientofcorrelation.
B）Itisalsocalledthecoefficientofdetermination.
C）ItrepresentsthepercentofvariationinXthatisexplainedbyY.
D）ItrepresentsthepercentofvariationintheerrorthatisexplainedbyY・
E）Itrangesinvaluefrom-1to+1・
Thecoefficientofdeterminationresultingfromaparticularregressionanalysiswas0.85.Whatwastheslopeoftheregressionline?
A）0.85
B）-0.85
C）0.922
D）Thereisinsufficientinformationtoanswerthequestioru
E）Noneoftheabove
Thediagrambelowillustratesdatawitha
50
199019911992199319941995199619971998
Year
A）negativecorrelationcoefficient.
B）zerocorrelationcoefficient.
C）positivecorrelationcoefficient.
D）correlationcoefficientequalto+1・
E）Noneoftheabove
Thecorrelationcoefficientresultingfromaparticularregressionanalysiswas0・25・Whatwasthecoefficientofdetermination?
A）0.5
B）-0.5
C）0.0625
D）Thereisinsufficientinformationtoanswerthequestion.
E）Noneoftheabove
Inagoodregressionmodeltheresidualplotshows
A）aconepattern.
B）anarchedpattern.
C）arandompattern.
D）anincreasingpattern.
E）adecreasingpattern.
Chapter05
Whichofthefollowingisnotclassifiedasaqualitativeforecastingmodel?
A）exponentialsmoothing
B）Delphimethod
C）juryofexecutiveopinion
D）salesforcecomposite
E）consumermarketsurvey
Ajudgmentalforecastingtechniquethatusesdecisionmakers,staffpersonnel,andrespondenttodetermineaforecastiscalled
A）exponentialsmoothing・
B）theDelphimethod.
C）juryofexecutiveopinion.
D）salesforcecomposite・
E）consumermarketsurvey.
Whichofthefollowi
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