NO.PZ2022123001000109
问题如下：
A researcher is examining the mean return on assets of
publicly traded companies that constitute an index of 2,000 mid-cap stocks and
is testing hypotheses concerning whether the mean is equal to 15%:
She uses
a 5% level of significance and collect a sample of 50 firms. She wants to
examine the robustness of her analysis, so she repeats the collection and test
of the return on assets 30 times. The results for the samples with the five
lowest p-values are given in Exhibit 1
Using the BH criteria, how many tests are considered significant(at a 5% significance level)?
选项：
A.
3
B.
4
C.
5
解释：
请问这个知识点在哪里？BH criteria代表什么意思？
