NO.PZ2015120604000131
问题如下:
Which of the following descriptions is the least accurate about hypothesis testing?
选项:
A.A Type II error refers to accept the null when it is false.
B.A one-tailed test with a significance level of 1% has z-critical values of 2.58.
C.One minus the probability of a Type II error equals the power of test .
解释:
B is correct.
A one-tailed test with a significance level of 1% has z-critical values of 2.33
Type II erroru不是原假设是错的吗?A为什么不对?