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1、社会统计学讲义（LecturesonSocialStatistics）2.Therelationbetweenexpectation,variance,andthetwodistribution.3,applicationscopeandcondition.Thefifthchapteristhenormaldistribution,thecommonlyusedstatisticaldistributionandthelimittheoremNormaldistribution,normaldistribution:1,def
2、initions,densitydistribution,properties2,meanandvariance,thesignificanceoftheareabelowthenormalcurve.3,normaldistributionstandardizationandpracticalsignificance.4,thenormaldistributiontablelook-upmethod(attentionsymmetry).Two,commonlyusedstatisticaldistribution1chisq
3、uaredistribution:definition,degreeoffreedom,mean,variance,nature,conversion.2,tdistributions,definitions,degreesoffreedom,mean,variance,properties,conversions.3,Fdistributions,definitions,degreesoffreedom,mean,variance,properties,conversions.Comparisonoftheapplicable
4、rangesof4andthreecommonlyuseddistributions.Threeandlargenumbertheorem1,themeaningofthebignumbertheorem2,Chebyshevinequality:aconservativeestimatefortheprobabilityofaneventoccurring3andBernonllitheoremoflargenumbers.4,Chebyshevtheoremoflargenumbers.Four,centrallimitth
5、eorem:Emphasis1,themeaningofthelimittheorem.2,themeaningofthecentrallimittheorem,inwhichcase,whatvariablestendtotheYuZhengdistribution?.3,thecentrallimittheoremofthe4inferences,flexibleuse.Theapproximaterelationbetweenthefiveandtwodistribution,Poissondistributionandn
6、ormaldistributionofthethreeThesixthchapterisparameterestimationStatisticalinference1,thedefinitionofstatisticalinference2,statisticalinferencecharacteristics(advantagesanddisadvantages),examinationquestions3,thetheoreticalbasisandcontentofinferentialstatistics.Two,pa
7、rameterpointestimation:(definition)1.Whatisapointestimate(calledstatisticalvalueinasample,calledaparameterinthewhole)?2,theevaluationcriteriaofpointestimation:3or4.3,thepointestimateofthepopulationmean4,thepointestimateofpopulationvariance(orstandarddeviation)5,theto
8、talnumberofpointestimates.Three,samplingdistribution:thesamplingdistributionofstatistics,suchasthesamplingdistributionofmeanandvari
