Question: Use the first-order exponential smoothing model with ? = 0.2 to forecast for these data...

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Question: Use the first-order exponential smoothing model with? = 0.2 to forecast for these data and for thefirst six months of the third year. Compute MSD/E,MAD, MAPE, and Bias.
Month
(t)
Demand
A(t)
1 148
2 125
3 78
4 53
5 25
6 29
7 9
8 68
9 84
10 110
11 147
12 120
13 147
14 109
15 96
16 70
17 42
18 36
19 34
20 28
21 71
22 102
23 103
24 144

Answer & Explanation Solved by verified expert

4.1 Ratings (510 Votes)

Exponential smoothing forecast for period t Ft alphaActualt1 1alphaForecast t1where alpha is smoothing constantBias indicates on an average basis whether the forecast is toohigh See Answer

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Month *(t)*	Demand *A(t)*
1	148
2	125
3	78
4	53
5	25
6	29
7	9
8	68
9	84
10	110
11	147
12	120
13	147
14	109
15	96
16	70
17	42
18	36
19	34
20	28
21	71
22	102
23	103
24	144