A.meanB.varianceC.percentileD.standard deviationE.coefficient of variation表示正态分布资料中的集中趋势最好采用
A.mean
B.variance
C.percentile
D.standard deviation
E.coefficient of variation
B.variance
C.percentile
D.standard deviation
E.coefficient of variation
表示正态分布资料中的集中趋势最好采用
参考解析
解析：
相关考题：
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