(两样本均数比较的假设检验)作业

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1、1.Buildupadatabasewithlargesamplesize(largethan50).Checkitsnormality.Toestimatenormalrangeof95%,and95%CIofpopulationmean.正态分布评估One-SampleKolmogorov-SmirnovTest饮料的销售景N50NormalParameters3Mean75.96Std.Deviation11.604MostExtremeDifferencesAbsolute.076Positive.074Negative-.076K

2、olmogorov-SmirnovZ.536Asymp.Sig.(2-tailed)•936a.TestdistributionisNormal.CaseProcessingSummaryCasesIncludedExcludedTotalNPercentNPercentNPercent饮料的销隽s*销售网点编号5062.5%3037.5%80100.0%均值Report饮料的销售量销侧点编号MeanNStd.Deviation146.001257.001362.001463.001564.001666.001767.001869.0019

3、72.0011073.0011173.0011274.0011376.0011477.0011578.0011678.0011778.0011879.0011979.0012081.0012181.0012282.0012383.0012484.0012584.0012684.0012785.0012885.0012986.0013087.0013188.0013288.0013389.0013489.0013590.0013692.0013794.0013896.0013999.0014053.0014162.0014263.001436

4、4.0014466.001參4566.001•4667.001•4768.001•4868.001•4971.001•5072.001•Total75.965011.604置信区间CaseProcessingSummaryCasesValidMissingTotalNPercentNPercentNPercent饮料的销售量5062.5%3037.5%80100.0%DescriptivesStatisticStd.Error饮料的销.SMean75.961.64195%ConfidenceIntervalforLowerBound72.6

5、6MeanUpperBound79.265%TrimmedMean76.19Median77.50Variance134.651Std.Deviation11.604Minimum46Maximum99Range53InterquartileRange18Skewness-.242.337Kurtosis-.330•6621.Buildupyourowndatabase(orusedatafromtextbook).Requirements:3database，onesample,twosamples，paired-designsample

6、.Notes:definevariable,datatype,samplesize20.单样本t分布检验网点缩号消售重114622573362446355646666776788699972101073111173121274131376141477151578161678171778181879191979202081独立t分布检验配对t分布检验则试编号疗程初血压疗程末血压111801002213992331521184411282551569766167171771381328816012399107174101015692111194

7、1211212107150131314515914141861011515112143161610413017171981921818237225191923322620201791721.Todoonesamplettest，twoindependentsamplesttest，paired-designttest.Writeoutthewholestepsofhypothesistesting.单样本t分布检验One-SampleStatisticsNMeanStd.DeviationStd.ErrorMean饮料的销售量2070.60

8、8.9171.994One-SampleTestTestValue=70tdfSig.(2-tailed)MeanDifference95%ConfidenceIntervalo