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Amy_ywh · 2024年08月22日

请问这里是需要把signficance F 看作是p value一样么？

  1. CFA II
  2. Quantitative

* 问题详情，请 查看题干

NO.PZ201709270100000306

问题如下：

6. Based on Exhibit 1, Varden’s best answer to Quinni’s question about the F-statistic is:

选项：

A.

both independent variables are significant at the 0.05 level.

B.

neither independent variable is significant at the 0.05 level.

C.

at least one independent variable is significant at the 0.05 level.

解释：

C is correct. Exhibit 1 indicates that the F-statistic of 4.161 is significant at the 0.05 level. A significant F-statistic means at least one of the independent variables is significant.

如题

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品职助教_七七 · 2024年08月22日

嗨，爱思考的PZer你好：


是的，significance (of) F就是F检验中，p-value的另一种表述形式。

同理，有时候会遇到significance of t，这也是t检验中的p-value。

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NO.PZ201709270100000306 问题如下 6. Baseon Exhibit 1, Varn’s best answer to Quinni’s question about the F-statistic is: both inpennt variables are significant the 0.05 level. neither inpennt variable is significant the 0.05 level. least one inpennt variable is significant the 0.05 level. C is correct. Exhibit 1 incates ththe F-statistic of 4.161 is significant the 0.05 level. A significant F-statistic means least one of the inpennt variables is significant. 这里F值显著更准确的应该是all coefficients are joint significant the 0.05 level吗？

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2024-03-08 20:41 1 · 回答

NO.PZ201709270100000306 问题如下 6. Baseon Exhibit 1, Varn’s best answer to Quinni’s question about the F-statistic is: both inpennt variables are significant the 0.05 level. neither inpennt variable is significant the 0.05 level. least one inpennt variable is significant the 0.05 level. C is correct. Exhibit 1 incates ththe F-statistic of 4.161 is significant the 0.05 level. A significant F-statistic means least one of the inpennt variables is significant. criticvalue等于几？

2023-01-23 00:25 2 · 回答

NO.PZ201709270100000306 6. Baseon Exhibit 1, Varn’s best answer to Quinni’s question about the F-statistic is: both inpennt variables are significant the 0.05 level. neither inpennt variable is significant the 0.05 level. least one inpennt variable is significant the 0.05 level. C is correct. Exhibit 1 incates ththe F-statistic of 4.161 is significant the 0.05 level. A significant F-statistic means least one of the inpennt variables is significant. 老师您好，有点记不清了，有两个问题 1）这里的 0.05 level指的到底是单尾5%（置信区间90%），还是双尾5%（单尾2.5%，置信区间95%）？ 2）如果是指单尾5%那可以直接用0.05和F-significance比较，如果是双尾5%是不是就要用0.025和F-significance比较？ 谢谢

2021-05-20 14:19 2 · 回答