Average groups of numbers within a larger group

smileytmroper

New Member
Joined
Aug 27, 2008
Messages
30
I have a large group of numbers in a column. I would like to average those numbers in groups of 7. So average the first 7, average the 2nd 7, and so on down the whole list. Is there a way to do this without manually selecting each group to find their average?
I have Kutools and ASAP utilities if there is an option there also.
Thanks
 

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mikerickson

MrExcel MVP
Joined
Jan 15, 2007
Messages
24,024
If your numbers are in column A
=AVERAGE(INDEX(A:A, 1, 1):INDEX(A:A, 7, 1)) will return the average of the first 7 rows
=AVERAGE(INDEX(A:A, 8, 1):INDEX(A:A, 14, 1)) is the average of the next 7

If you put this in a cell
=AVERAGE(INDEX(A:A, 7*(ROWS($1:1)-1)+1, 1):INDEX(A:A, (7*ROWS($1:1))+1, 1)) and drag down, it will return all of the 7 cell averages.
 

Yongle

Well-known Member
Joined
Mar 11, 2015
Messages
6,977
Office Version
  1. 365
Platform
  1. Windows
perhaps ...

Excel 2016 (Windows) 32 bit
A
B
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1
Numbers ResultFormula in A2 copied down the whole column
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=IF(MOD(ROW(),7)=2,AVERAGE(A2:A8),"")
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14​
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Sheet: Sheet3
 

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