Weekly Demand for dry pasta at a supermarket chain is as follows (see attached document), Estimate demand for the next four weeks using a five week moving average as well as simple exponential smoothing with alpha =0.2. Evaluate MAD, MAPE, MSE, bias and TS in each case. Which of the two methods do you prefer? Why
MOVING AVERAGE
Period Demand 1
2
3
4
5
6
7
8
9
10 517
510
557
498
498
444
526
441
541
445 Alpha = 0.2 Level ERRORS
Forecast Et Forecast Et MAD EXPONENTIAL SMOOTHING
Period Demand 0
1
2
3
4
5
6
7
8
9
10 517
510
557
498
498
444
526
441
541
445 Level MSE ERRORS
MAD MSE S
MAPE S
MAPE
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