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wenxing · 2019年03月16日

问一道题:NO.PZ2018062016000123 [ CFA I ]

问题如下图:为什么选C???????

选项:

A.

B.

C.

D.

解释:

1 个答案

菲菲_品职助教 · 2019年03月18日

同学你好,因为单尾检验,有可能是左边的尾巴或者是右边的尾巴,所以是统计量大于或者小于临界值的时候拒绝原假设。A和B的描述都是不正确的。

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