统计学 实习报告~~.doc

建立统计成绩和概率成绩的回归方程Correlations统计成绩概率成绩统计成绩Pearson Correlation1.891*Sig. (2-tailed).000N3535概率成绩Pearson Correlation.891*1Sig. (2-tailed).000N3535*. Correlation is significant at the 0.01 level (2-tailed).相关系数 相关分析 回归分析Variables Entered/RemovedbModelVariables EnteredVariables RemovedMethod1统计成绩a.Entera. All requested variables entered.b. Dependent Variable: 概率成绩Model SummaryModelRR SquareAdjusted R SquareStd. Error of the Estimate1.891a.793.7874.516a. Predictors: (Constant), 统计成绩ANOVAbModelSum of SquaresdfMean SquareFSig.1Regression2585.43012585.430126.780.000aResidual672.9703320.393Total3258.40034a. Predictors: (Constant), 统计成绩b. Dependent Variable: 概率成绩CoefficientsaModelUnstandardized CoefficientsStandardized CoefficientstSig.BStd. ErrorBeta1(Constant)24.4004.6985.193.000统计成绩.691.061.89111.260.000a. Dependent Variable: 概率成绩One-Sample StatisticsNMeanStd. DeviationStd. Error Mean身高35166.776.3941.081检验能否认为学生的平均身高165cmOne-Sample TestTest Value = 165 tdfSig. (2-tailed)Mean Difference95% Confidence Interval of the DifferenceLowerUpper身高1.63934.1101.771-.433.97入学时的兴趣对统计成绩是否有影响ANOVA统计成绩Sum of SquaresdfMean SquareFSig.Between Groups992.5304248.1331.685.179Within Groups4418.21330147.274Total5410.7433495%的置信度计算学生平均身高的置信区间Case Processing SummaryCasesValidMissingTotalNPercentNPercentNPercent身高35100.0%0.0%35100.0%DescriptivesStatisticStd. Error身高Mean166.771.08195% Confidence Interval for MeanLower Bound164.57Upper Bound168.975% Trimmed Mean166.43Median165.00Variance40.887Std. Deviation6.394Minimum158Maximum183Range25Interquartile Range10Skewness.741.398Kurtosis-.040.778身高身高Stem-and-LeafPlotFrequencyStem&Leaf4.0015.889911.0016.011122333449.0016.5555678897.0017.01223342.0017.582.0018.03Stemwidth:10Eachleaf:1case(s)性别和入学时对统计专业的兴趣对统计学成绩是否有显著性差异ANOVASum of SquaresdfMean SquareFSig.入学时对统计专业的兴趣Between Groups35.619211.696.973.537Within Groups2