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.
F-test适用于检测两个方差的不同
请问这个知识点是在哪个视频中有说呀?