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The number of products sold for the past several months is given along with the forecasts...

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Question

Basic Math

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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