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Christinack · 2024年11月22日

选项C Stable value 什么意思？

  1. CFA I
  2. Quantitative

NO.PZ2018062016000135

问题如下：

According to the following statements on p-value, which is less correct?

选项：

A.

The p-value is the largest level of significance at which the null hypothesis would be rejected.

B.

The lower the p-value, the stronger the evidence for rejecting the null hypothesis.

C.

P-value does not have stable values

解释：

本题要求选最不正确的，所以选A。

A is the correct answer. The p-value is the smallest level of significance at which the null hypothesis can be rejected for a given value of the test statistic.

这道题，A是定义，说反了，所以我直接可以选出来A。B也是定义，我也懂。

请问，

选项C Stable value 什么意思？还是这是迷惑选项？不用看了，只要能根据定义选择出来就可以

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1 个答案

品职助教_七七 · 2024年11月22日

嗨，从没放弃的小努力你好：


stable value指固定的或稳定的值。C选项实际上是比较了significance level和p-value，前者往往有固定的值，如1%，5%，10%，但p-value是随着检验统计量而变化的，多少都有可能，也就不存在稳定的值。

所以C选项的描述无误。不能作为本题的“less correct”的选项。

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