謝謝

來源: 陶陶樂，樂陶陶於 2009-12-06 11:38:16 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

mean,median,standard deviation分別是什麽意思呢,
那這樣算來答案是什麽?

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