I have a row of numbers that include 12 months of results that are filled out throughout the year. I'm trying to build a 3 month moving average formula that does not need to be updated each month. I've tried combining an average and offset function, but to no avail...
Data is row 3, C3:N3.
Last edited by braydon16; 11-23-2011 at 02:32 PM.
With no more idea of how you want to show this, put this formula in E4 and copy to the right:
=AVERAGE(C3:E3)
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Apologies for not being more clear. I'm looking for the moving average to be in one cell at the end of the row. So, in this case, it would be in cell O3 and update as each month's results are input.
Try:
=AVERAGE(INDEX(A3:F3,MATCH(9.99E+307,A3:N3)-2):INDEX(A3:F3,MATCH(9.99E+307,A3:N3)))
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