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大老王 · 2023年04月11日

P-LEVEL

* 问题详情,请 查看题干

NO.PZ201709270100000302

问题如下:

2. At a significance level of 1%, which of the following is the best interpretation of the regression coefficients with regard to explaining ROE?

选项:

A.

ESG is significant, but tenure is not.

B.

Tenure is significant, but ESG is not.

C.

Neither ESG nor tenure is significant.

解释:

C is correct. The t-statistic for tenure is 2.308, indicating significance at the 0.027 level but not the 0.01 level. The t-statistic for ESG is 1.201, with a p-value of 0.238, which means we fail to reject the null hypothesis for ESG at the 0.01 significance level.

请问P-LEVEL 都是和1%来比较嘛,还是说因为题干里说了1%?

2 个答案

星星_品职助教 · 2023年04月12日

@大老王

考题都会标明significance level,不会让考生自己判断的。

星星_品职助教 · 2023年04月11日

同学你好,

与p-value相比的是significance level。,如果p-value<significance level,则拒绝原假设。

本题和1%比较的原因是因为题目中标明significance level为1%(At a significance level of 1%)。

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