市場(chǎng)調(diào)研中非抽樣誤差研究.pdf

1、首都經(jīng)濟(jì)貿(mào)易大學(xué)碩士學(xué)位論文市場(chǎng)調(diào)研中非抽樣誤差研究姓名：馬思宇申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：抽樣技術(shù)指導(dǎo)教師：張衍平2001.4.1AbstractInaninformationhighlydevelopedtime，companiesnowhavetopaymoreandmoreattentiontothedynamicmarketTheyneedcontemporaryandaccuratedatatosupporttheirdecis

2、ionsInordertomeethigherandhigherdemands，marketingresearchgraduallybecomesthemajorjnformationacquisitionmethodofcompaniesInmarketresearch，datacollectingtechniqueisintheprocessdiversingfromcensustosamplingHoweverowingt0the

3、samplingtechniqueitselfhasn’tbeenproperlyapplied，peoplesuspectthequalityofdatacollectedbysamplingtechniqueSincemarketresearchappearedinChina，mainfactorsaffectingdataqualityarenolongerthemishandlingofsamplingtechnique，but

4、otherfactors，forexample，thenonsamplingerrorwhichiSdiscussedinthisarticleAnystepduringtheresearchprocesscouldbethefactorlendingtonon—samplingerror，forexample，thedecisionofresearchobjective，theselectionofresearchmethod，the

5、designofquestionnaire，thecollectionandanalysisofdataToenhancecompanies’recognitionofmarketresearch，weshouldguaranteethequalityofinvestigationdata：Toimprovethequalityofinvestigationdata，weshouldsolvetheproblemofnonsamplin

6、gerrorfirst1nthisarticleitwillattempttofindthemainreasonswhichresultinnon—samplingerroronthebaseofanalyzingthestepsofinvestigationafterdefiningthemeaningofnonsamplingerrorandbringforwardsomesimplemethodsoftestingnonsampl

7、ingerrorpreviousinthemiddleandposteriorcontr01andsolutionofnon—samplingelTorjntheorderoftheprocessofinvstigationbyusingthemethodsofstatisticalgroupingandcomparisontoachievetheaimofdiminishingnon—samplingerrorandimproving