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1、13春学期,《市场调查与预测》,在线作业答案（13springsemester,marketresearchandforecast,onlinehomeworkanswer）13springsemester"marketresearchandforecast"onlinehomework.TxtFirst,radioquestions(20questions,40points)V1.whichofthefollowingsurveysisalsocalledaninformalsurvey(c)?A.de
2、scriptivesurveyB.causalitysurveyC.exploratorysurveyD.copywritingsurveyFullmarks:22.whendataispresentedordecreasedaccordingtotime,theaveragepredictionmethodshouldbeadoptedinthefollowing(c)A.simplearithmeticmeanmethodB.weightedarithmeticaverageC.growthavera
3、gemethodD.developmentspeedaveragemethodFullmarks:23.thefollowingobservationsaboutthemeritsofobservationalinquiryareincorrect(d)A.canavoidtheimpactofinvestigatorsonthefindingsB.savestimeC.accuracyisstrongD.wasbetterabletocontrolthesubjectsunderinvestigatio
4、nQuzhoucraneDongpingmobile15057071248Fullmarks:24.thefollowingstatementabouttheroleofmarketresearchiswrong(d)A.marketresearchprovidesthebasisforenterprisemanagementdecisionsB.marketresearchhelpsenterprisestodevelopmarketsanddevelopnewproductsC.marketresea
5、rchisconducivetoenterprisesinfavorofcompetitionD.marketresearchcanguaranteeenterprisestoincreasesalesFullmarks:25.thefollowingmeritsofasamplingsurveyarenot(d)A.savestimeB.savesmoneyC.highaccuracyD.thereisnoerrorFullmarks:26.whenusingexponentialsmoothingme
6、thod,thechoiceofsmoothingfactorAisveryimportant.Whenthetimeseriespresentsastablehorizontaltrend,theAshouldbetaken(a)A.smallervalues,suchas0.1---0.3B.centeredvalues,suchas0.3---0.5C.largervalues,suchas0.6---0.8ArbitraryvaluesbetweenD.and0---1Fullmarks:27.m
7、arketresearchwasthefirstcountrytoapply(c)A.UKB.GermanyC.AmericaD.JapanFullmarks:28.2,theconcretestepsofregressionanalysisforecastingmethodare5steps,andthefirststepis(d)A.correlationanalysisB.establishesregressionpredictionmodelC.makeactualpredictionsD.det
8、ermineforecastobjectivesandfactorsFullmarks:29.thefollowingstatementsregardingtheroleofmarketforecastingareincorrect(d)A.marketforecastistherequirementofthedevelopmentofsocialistmarketeconomyB.marketforecastisthesta
