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qinyue3021 · 2018年07月23日

问一道题:NO.PZ2015120604000146 [ CFA I ]

问题如下图:

选项:

A.

B.

C.

解释:

这道题选的是错误的,答案应该是c吧?
1 个答案

菲菲_品职助教 · 2018年07月24日

同学你好,这道题问的是下面哪个结论是不正确的。所以答案没有错,A不正确。

因为F检验是针对two independent normally distributed populations。而这道题只涉及到bond A。所以不能用F检验。

加油~

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