學過統計學的應該知道，統計結果對群體效果是可靠的，對個體則隻是運氣。

來源: ymck 於 2017-05-10 09:29:28 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.