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Johnny.C · 2023年04月24日

为啥要用P检验呢

  1. CFA II
  2. Quantitative

* 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.

这里也有T值，我是否可以用T检验

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1 个答案

星星_品职助教 · 2023年04月25日

同学你好，

可以用t-statistic和critical value比较，但没有意义。两种方式的结果是完全等价的，而p-value不用任何计算和查表，一目了然，是首选的方法。

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NO.PZ201709270100000302 问题如下 2. a significanlevel of 1%, whiof the following is the best interpretation of the regression coefficients with regarto explaining ROE? ESG is significant, but tenure is not. Tenure is significant, but ESG is not. Neither ESG nor tenure is significant. C is correct. The t-statistic for tenure is 2.308, incating significanthe 0.027 level but not the 0.01 level. The t-statistic for ESG is 1.201, with a p-value of 0.238, whimeans we fail to rejethe null hypothesis for ESG the 0.01 significanlevel. 请问P-LEVEL 都是和1%来比较嘛，还是说因为题干里说了1%？

2023-04-11 17:27 2 · 回答

NO.PZ201709270100000302 2. a significanlevel of 1%, whiof the following is the best interpretation of the regression coefficients with regarto explaining ROE? ESG is significant, but tenure is not. Tenure is significant, but ESG is not. Neither ESG nor tenure is significant. C is correct. The t-statistic for tenure is 2.308, incating significanthe 0.027 level but not the 0.01 level. The t-statistic for ESG is 1.201, with a p-value of 0.238, whimeans we fail to rejethe null hypothesis for ESG the 0.01 significanlevel. 下次碰到这种题目的问法，也是直接比较即可么

2021-12-03 09:18 1 · 回答

2. a significanlevel of 1%, whiof the following is the best interpretation of the regression coefficients with regarto explaining ROE? ESG is significant, but tenure is not. Tenure is significant, but ESG is not. Neither ESG nor tenure is significant. C is correct. The t-statistic for tenure is 2.308, incating significanthe 0.027 level but not the 0.01 level. The t-statistic for ESG is 1.201, with a p-value of 0.238, whimeans we fail to rejethe null hypothesis for ESG the 0.01 significanlevel. 怎么判断 原假设和H谢谢

2020-07-15 17:06 1 · 回答

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2020-07-15 16:21 1 · 回答