第3章 总体均数的估计和假设检验

Paired Samples StatisticsPair 1安慰剂新药Mean5.5105.080N1010Std. Deviation.6402.6197Std. Error Mean.2025.1960Paired Samples TestPaired Differences95% ConfidenceInterval of theDifferenceLower-.201Upper1.061t1.542df9MeanPair 1Std.Deviation.882Std. ErrorMean.279Sig.(2-tailed).158安慰剂 - 新药.430SPSS25

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