The number of products sold for the past several months is given
along with the forecasts...
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The number of products sold for the past several months is givenalong with the forecasts using both 3-month moving average andexponential smoothing (α = .2). Determine the better forecast usingthe MSE.
Month
Sales
3-month moving average
Error
Exponential
Smoothing
Error
Jan
13
Feb
18
March
15
Apr
12
May
14
June
15
July
10
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