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MS Office Forum / Excel / Worksheet Functions / March 2006Average a part of a on going column
I need to average only the last 30 entrys in a column of data automatically. Any suggestion will be appreciated. Hi! One way: Assuming the numbers are in column A, A1:An. There are no empty/blank cells within the range and there will always be at least 30 numbers to avg: =AVERAGE(OFFSET(A1,COUNT(A:A)-1,,-30)) If there are empty/blank cells then it's a little more complicated. Also, if there were less than 30 numbers how would you want to handle that? Biff >I need to average only the last 30 entrys in a column of data >automatically. > Any suggestion will be appreciated. |
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