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yuqijeffery · 2020年08月16日

问一道题:NO.PZ2017092702000145

问题如下:

Which of the following should be used to test the difference between the variances of two normally distributed populations?

选项:

A.

t-test

B.

F-test

C.

Paired comparisons test

解释:

B is correct.

An F-test is used to conduct tests concerning the difference between the variances of two normally distributed populations with random independent samples.

题干中也没说是不是independent啊?

1 个答案
已采纳答案

星星_品职助教 · 2020年08月17日

同学你好,这道题提问重复了哈