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Rolling 3 mth Average
I have data like this:
Jan 100 feb 200 mar 300 apr 500 may 600 jun 0 july 0 aug 0 etc. This is updated monthly and I would like to calc a 3 mth average each month with the new data. One month would drop off another would be added. How do I do this in a formula? Thanks. -- thanks, mc |
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#2
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Rolling 3 mth Average
Hi
With your data in A1:B12 enter in cell C3 =AVERAGE(B1:B3) Copy the formula down column C using the fill handle. Regards Roger Govier dallin wrote: I have data like this: Jan 100 feb 200 mar 300 apr 500 may 600 jun 0 july 0 aug 0 etc. This is updated monthly and I would like to calc a 3 mth average each month with the new data. One month would drop off another would be added. How do I do this in a formula? Thanks. |
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