marciaaa · 2022年02月11日
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
如题
NO.PZ2017092702000145 问题如下 Whiof the following shouluseto test the fferenbetween the variances of two normally stributepopulations? A.t-test B.F-test C.Pairecomparisons test B is correct.F-test is useto contests concerning the fferenbetween the variances of two normally stributepopulations with ranm inpennt 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？
题干中也没说是不是inpennt啊？
abc区别？？？？？？？？？
