[閒談] 淺談國營考試為何取中位數而不取平均數
相信很多人考國營考試時最頭痛的科目就英文了,而英文跟專業又不是取平均分數而是中
位數跟前40%,我覺得這個用意相當的聰明,且可以錄取到準備更充分的考生。
首先,先定義英文中位數分數50分,一半的人分數超過50,另外一半分數低於50
高於50分的人平均60分
低於50分的人平均20分
這裡我是取比較誇張的落差。
所以總體平均是40分,
中位數50>平均40分,看到結論了嗎?
結論是你的英文不是考超過平均分數,
或是考贏一半的人就好,因為你說的一半是有包含沒來考,或是猜答案的考生。
精確的說,你要考在有準備且實力相當的領先群中,才能過門檻。
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抱歉,我一直是認為不公平,我不會因為別人說什麼就改變我的信念
※ 編輯: evil7589 (220.134.165.156), 10/10/2016 23:23:02
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我哪裡檢討了,那一句話檢討了?我覺得有趣拿來討論也不行逆?沒有發言權是不是?
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儘管嘴,我只相信我自己,多說無益
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我沒學過統計欸,那是不是請專業的大大,用你內行的算式統計出來給大家瞧瞧好嗎?
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以為說個專有名詞可以虎誰阿?是你自以為吧?
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你光說誰信阿?台電有公佈過成績分佈是嗎?我怎麼沒看過,還是幻想來的?
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※ 編輯: evil7589 (223.138.27.231), 10/11/2016 20:18:23
※ 編輯: evil7589 (223.138.27.231), 10/11/2016 20:24:18
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