NO.PZ2017092702000128
问题如下：
The level of significance of a hypothesis test is best used to:
选项：
A.calculate the test statistic.
B.define the test’s rejection points.
C.specify the probability of a Type II error.
解释：
B is correct.
The level of significance is used to establish the rejection points of the hypothesis test.
显着性水平是用于建立假设检验的拒绝域。
想问问题目中提到的TypeII error是什么？好像在视频中并未提及
