恐怕不能代表實際情況。
如何能知道調查結果是可靠的?
所有跟帖:
• 容易受人為因素幹擾,統計學的抽樣誤差已經超出可信範圍了 -青蛙-- ♂ (0 bytes) () 03/12/2006 postreply 20:21:11
• 容易受人為因素幹擾,統計學的抽樣誤差已經超出可信範圍了 -青蛙-- ♂ (0 bytes) () 03/12/2006 postreply 20:21:11
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