高於全班平均 - 拼圖
By Caroline
at 2011-08-24T10:11
at 2011-08-24T10:11
Table of Contents
※ [本文轉錄自 Math 看板 #1EL5t6QZ ]
作者: jurian0101 (Hysterisis) 看板: Math
標題: [中學] 高於全班平均
時間: Wed Aug 24 10:11:15 2011
在共若干科的考試中,每科各有其加權值
請問怎麼簡明地證明
「若某X每一科皆高於班平均,則某X(加權分數)不可能是全班最後一名。」
又,某X最差的名次可能為何?
--
作者: jurian0101 (Hysterisis) 看板: Math
標題: [中學] 高於全班平均
時間: Wed Aug 24 10:11:15 2011
在共若干科的考試中,每科各有其加權值
請問怎麼簡明地證明
「若某X每一科皆高於班平均,則某X(加權分數)不可能是全班最後一名。」
又,某X最差的名次可能為何?
--
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