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(๑• . •๑) · 2020年07月29日

问一道题:NO.PZ2018062016000111

问题如下:

Which of the following statement about two-sided confidence interval is most correct if the confidence interval become narrower?

选项:

A.

the degree of confidence is smaller.

B.

the degree of confidence is larger.

C.

sampling size is smaller.

解释:

A is correct.

If the degree of confidence is smaller, the confidence interval become narrower.

请问 degree of confidence 和confidence level 是一个东西么。那degree of significance呢

1 个答案

星星_品职助教 · 2020年07月30日

同学你好,

the degree of confidence 可以理解为 95% confidence interval中的那个95%。

对应的就是level of significance=5%