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米妮涵 · 2017年12月03日

问一道题:NO.PZ2017092702000144 [ CFA I ]

chi-square test是什么?
问题如下图:
选项:
A.
B.
C.
解释:
1 个答案
已采纳答案

源_品职助教 · 2017年12月03日

卡方检验用于检验一个总的方差是不是等于(或是大于小于)一个特定数值

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