题目内容
抽样误差指的是
2021-10-11
A.测量个体数据之间的差别
B.测量个体数据和样本指标的差别
C.测量个体数据和总体指标的差别
D.研究总体指标之间的差别
E.抽取的样本指标与总体指标的差别
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