NO.PZ2017092702000144
问题如下:
A chi-square test is most appropriate for tests concerning:
选项:
A.
a single variance.
B.
differences between two population means with variances assumed to be equal.
C.
differences between two population means with variances assumed to not be equal.
解释:
A is correct.
A chi-square test is used for tests concerning the variance of a single normally distributed population.
卡方检验适用于单个正态分布总体方差的检验。
请问卡方检验的知识点在哪一个reading