所以問題是,少嗎?我看不少。
個案除了誤導還是誤導。
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但白人總體有錢人多,能負起學費的人多,所以還是解釋不過. 除非所有家庭錢一樣多
-mjnew-
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02/21/2024 postreply
06:00:54
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必須剔除confounding factor,才能研究這個問題,不過這個數據是有的
-mjnew-
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02/21/2024 postreply
06:03:19
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