加一個數到樣本裏去,不會改變standard deviation。
但會改變Mean 和median
回複:謝謝
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• 問題是:mean,mediam,the standard deviation...我不懂,中文是什麽 -陶陶樂,樂陶陶- ♀ (0 bytes) () 12/06/2009 postreply 11:49:44
加一個數到樣本裏去,不會改變standard deviation。
但會改變Mean 和median
• 問題是:mean,mediam,the standard deviation...我不懂,中文是什麽 -陶陶樂,樂陶陶- ♀ (0 bytes) () 12/06/2009 postreply 11:49:44
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