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过儿~ · 2019年04月19日

问一道题:NO.PZ201709270100000309 第9小题 [ CFA II ]

* 问题详情,请 查看题干

问题如下图:

选项:

A.

B.

C.

解释:

请问选项A和C错在哪里呢?

1 个答案
已采纳答案

菲菲_品职助教 · 2019年04月21日

同学你好,A的话因变量是一样的,没有变,所以不影响。C的话也是不影响的。因为只是增加了样本。

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