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-SampleTestTestVal

2、ue=63.5tdfSig.(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

3、.19310.200*.96310.819a.LillieforsSignificanceCorrection*.Thisisalowerboundofthetruesignificance.ofwork,relationships,needandpossibility,putqualityfirst."Improvestructure",referspartycarefully".IsamustadheretotheindividualabsorptionTheprincipleofthedevelopmentofam

4、atureone,andstrictlyperformintheadmissionprocedure,topreventthePartymember19（1）进行配对t检验PairedSamplesCorrelationsNCorrelationSig.Pair1对照&实验10.075.838PairedSamplesTestPairedDifferencestdfSig.(2-tailed)MeanStd.DeviationStd.ErrorMean95%ConfidenceIntervaloftheDifferenc

5、eLowerUpperPair1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.LillieforsSig

6、nificanceCorrection*.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ofwork,rela

7、tionships,needandpossibility,putqualityfirst."Improvestructure",referspartycarefully".IsamustadheretotheindividualabsorptionTheprincipleofthedevelopmentofamatureone,andstrictlyperformintheadmissionprocedure,topreventthePartymember19IndependentSamplesTestLevene'sT

8、estforEqualityofVariancest-testforEqualityofMeans95%ConfidenceIntervaloftheDifferenceFSig.tdfSig.(2-tailed)MeanDifferenceStd.ErrorDifferenceLowerUpper转铁蛋白含量Equ