DeviationStd. Error95% Confidence Interval for MeanMinimumMaximum Lower BoundUpper Bound青年组12.14933.04311中年组12.11180.03227老年组12.11318.03267Total36.15057.02509Test of Homogeneity of Variances总胆固醇含量Levene Statisticdf1df2Sig.233.132ANOVA总胆固醇含量 Sum of SquaresdfMean SquareFSig.Between Groups.2702.135.001Within Groups.52433.016 Total.79335 Post Hoc TestsMultiple ComparisonsDependent Variable:总胆固醇含量 (I) 分组变量(J) 分组变量Mean Difference (I-J)Std. ErrorSig.95% Confidence Interval Lower BoundUpper BoundLSD青年组中年组*.05143.021老年组*.05143.000中年组青年组.12500*.05143.021.0204.2296老年组.05143.105.0188老年组青年组.21083*.05143.000.1062.3155中年组.08583.05143.105.1905*. The mean difference is significant at the level.

为研究某研究所工作人员的血脂水平与男性年龄的关系,随机抽取不同年龄组男性12名,检测总胆固醇含量(mmol/L),结果如表2。研究者想要知道血脂水平在不同年龄组之间有没有差别(ABCD)表2  三组人群的总胆固醇含量(mmol/L)青年组中年组老年组SPSS输出结果如下:Descriptives总胆固醇含量 NMeanStd. DeviationStd. Error95% Confidence Interval for MeanMinimumMaximum Lower BoundUpper Bound青年组12.14933.04311中年组12.11180.03227老年组12.11318.03267Total36.15057.02509Test of Homogeneity of Variances总胆固醇含量Levene Statisticdf1df2Sig.233.132ANOVA总胆固醇含量 Sum of SquaresdfMean SquareFSig.Between Groups.2702.135.001Within Groups.52433.016  Total.79335    Post Hoc TestsMultiple ComparisonsDependent Variable:总胆固醇含量 (I) 分组变量(J) 分组变量Mean Difference (I-J)Std. ErrorSig.95% Confidence Interval Lower BoundUpper BoundLSD青年组中年组*.05143.021老年组*.05143.000中年组青年组.12500*.05143.021.0204.2296老年组.05143.105.0188老年组青年组.21083*.05143.000.1062.3155中年组.08583.05143.105.1905*. The mean difference is significant at the level.

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