统计学30个重点及例题分析

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1、统计学例题操作分析（仅供参考）1.单样本t检验（样总t检验）P55L4-7SPSS操作主要结果（1）进行正态性检验TestsofNormalityKolmogorov-SmirnovaShapiro-WilkStatisticdfSig.StatisticdfSig.M物质.1449.200*.9649.840a.LillieforsSignificanceCorrection*.Thisisalowerboundofthetruesignificance.（2）进行单样本t检验One-SampleTestTestValue=63.5tdf

2、Sig.(2-tailed)MeanDifference95%ConfidenceIntervaloftheDifferenceLowerUpperM物质-45.1428.000-21.13333-22.2129-20.05382.配对t检验（异体配对/自身前后、左右配对）P57L4-8SPSS操作主要结果（1）先计算配对差值d再对d进行正态性检验TestsofNormalityKolmogorov-SmirnovaShapiro-WilkStatisticdfSig.StatisticdfSig.d.19310.200*.96310.81

3、9a.LillieforsSignificanceCorrection*.Thisisalowerboundofthetruesignificance.20（1）进行配对t检验PairedSamplesCorrelationsNCorrelationSig.Pair1对照&实验10.075.838PairedSamplesTestPairedDifferencestdfSig.(2-tailed)MeanStd.DeviationStd.ErrorMean95%ConfidenceIntervaloftheDifferenceLowerUp

4、perPair1对照-实验2.160001.32094.417721.215053.104955.1719.0013.两独立样本t检验（成组t检验）P59L4-9SPSS操作主要结果（1）进行正态性和方差齐性检验TestsofNormality观察对象Kolmogorov-SmirnovaShapiro-WilkStatisticdfSig.StatisticdfSig.转铁蛋白含量正常人.11612.200*.98612.998患者.14715.200*.92715.245a.LillieforsSignificanceCorrectio

5、n*.Thisisalowerboundofthetruesignificance.TestofHomogeneityofVarianceLeveneStatisticdf1df2Sig.转铁蛋白含量BasedonMean1.877125.183BasedonMedian1.127125.299BasedonMedianandwithadjusteddf1.127122.304.300Basedontrimmedmean1.798125.192（2）再做成组t检验20IndependentSamplesTestLevene'sTestfor

6、EqualityofVariancest-testforEqualityofMeans95%ConfidenceIntervaloftheDifferenceFSig.tdfSig.(2-tailed)MeanDifferenceStd.ErrorDifferenceLowerUpper转铁蛋白含量Equalvariancesassumed1.877.1837.40225.00036.66004.952826.459546.8605Equalvariancesnotassumed7.67524.795.00036.66004.776426.

7、818646.50144.完全随机设计资料ANOVA与多重比较P69L5-2SPSS操作主要结果（1）正态性和方差齐性检验TestsofNormality药物Kolmogorov-SmirnovaShapiro-WilkStatisticdfSig.StatisticdfSig.E-SFC对照组.1799.200*.9479.653淫羊霍.13610.200*.95610.739党参.19710.200*.92310.380黄芪.15110.200*.95210.692a.LillieforsSignificanceCorrection*.

8、Thisisalowerboundofthetruesignificance.TestofHomogeneityofVariancesE-SFCLeveneStatisticdf