這些和統計無關。如果你想從中推出“買輛福特車會爆胎的概率”或者“買輛GM車會打火鬆動的概率”，那麽沒有統計意義。

來源: QuantPM 於 2017-10-17 10:35:01 [舊帖] [給我悄悄話] 本文已被閱讀：次

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