Moving Average with different averaging periods:

estion

6. Moving Average with different averaging periods:

Year
Actual
Sales

Forecast
ABS(Error)
Forecast
ABS(Error)
Forecast
ABS(Error)

1
565

2
590

3
583

4
597

5
615
597
18
590
25
583.75
31.25

6
611
615
4
606
5
596.25
14.75

7
610
611
1
613
3
601.5
8.5

8
623
610
13
610.5
12.5
608.25
14.75

Sum:

36

45.5

69.25

MAD

9

11.37

17.31

Which Moving Average model is most accurate based on MAD?

 
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