在下列哪些情况下，必须计算离散系数来比较两个数列的离散程度大小（） -题库考试答案搜索网

在下列哪些情况下，必须计算离散系数来比较两个数列的离散程度大小（）

多选题

2022-01-12 20:30

A、平均数大的标准差亦大，平均数小的标准差亦小
B、平均数大的标准差小，平均数小的标准差大
C、两平均数相等
D、两数列的计量单位不同
E、两标准差相等

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正确答案

A | D

试题解析

标签：统计学原理统计学大学试题理学

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