his null hypothesis is "someone wrote for me"

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送交者: cornbug 于 2012-01-20, 00:50:34:

回答: 羽矢Yush好久不见了。 不过你的帖子很有漏洞。 由 Voice 于 2012-01-19, 23:37:07:

and if the null is not rejected he will bye bye forever. How to test it?


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