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