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十个馒头 · 2022年07月13日

Critical value is determined by the significantly level 如何理解这句话

  1. CFA I
  2. Quantitative

NO.PZ2018062016000119

问题如下：

which of the following statement is most likely correct?

选项：

A.

95% confidence level is that means we have 95% probably reject H0

B.

Test statistic is calculated with the population data

C.

Critical value is determined by the significantly level

解释：

C is correct. 95% confidence level is that means we have 95% probably not reject H0,test statistic is calculated with the sample data.

Critical value is determined by the significantly level 如何理解这句话

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已采纳答案

星星_品职助教 · 2022年07月13日

同学你好，

这句话实际就是查表时，根据significance level来查出对应的关键值的意思。

例如significance level=5%，单尾检验，此时正态分布下的critical value就是1.65


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