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# Moving average in excel 2010

Posted on 2014-04-03
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I need to do a 12 month moving average but when i do a trend line i get an option of 2 or 3 and not 12. how can a do a moving average for 12 months?
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Question by:jlcannon
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LVL 12

Expert Comment

ID: 39976084
jlcannon,

Trendline is not moving average. You can use moving average to create a Trendline, which the 2 or 3 you are mentioning is basically how many point to use as average scope when creating the Trendline.

Depends on your definition of moving average, you have to do it on the spreadsheet instead of the chart, then plot the moving average as one of the series.
Moving-Average-Sample.xlsx
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LVL 12

Accepted Solution

Harry Lee earned 500 total points
ID: 39976101
Here is another example of moving average with last 12 points.
Moving-Average-Sample.xlsx
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Author Closing Comment

ID: 39976150
thank you, exactly what i needed
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