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Subtract the average from the sales to get the deviation.
Aug. 1700 - 1412.50 = 287.50
Sept. 1125 - 1412.50 = -287.50
Oct. 1850 - 1412.50 = 437.50
Nov. 1500 - 1412.50 = 87.50
Dec. 1050 - 1412.50 = -362.50
The monthly deviation from the average exists at 287.50, -287.50, 437.50, 87.50, and -362.50.
Monthly deviation from the average
Estimating the mean average enables you to specify the deviation from the mean by computing the difference between the mean and each value.
Subtract the average from the sales to acquire the deviation.
Aug. 1700 - 1412.50 = 287.50
Sept. 1125 - 1412.50 = -287.50
Oct. 1850 - 1412.50 = 437.50
Nov. 1500 - 1412.50 = 87.50
Dec. 1050 - 1412.50 = -362.50
The monthly deviation from the average exists at 287.50, -287.50, 437.50, 87.50, and -362.50.
To learn more about the monthly deviation from the average
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