試算表算加權平均值, 以列為主 - Google

By Rae
at 2013-01-16T18:51
at 2013-01-16T18:51
Table of Contents
1. 假設我現在有10列 (1 ~ 10),
每一列要將H,I,K,M,N,O的值乘上各自的權重10%, 30%之類的然後相加,
最後將結果寫入Q行。
請問這樣的試算表公式要怎麼寫呢?
google找到的似乎都是以行為主, 像是count(H3:H100)這種的。
2. 另外, 看到有人寫=COUNT(I3:I100)/$E$2
想請問最後的$E$2跟直接寫E2的差別在哪?
謝謝!
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