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Refering to the Table 1 below, determine the best forecasting methods to forecast week 5 until week 20 by evaluating any FOUR forecasting methods. The alpha value is known to be 0.1.
Table 1: Demand from week 1 until week 20
Week | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Demand | 100 | 120 | 123 | 105 | 350 | 240 | 210 | 180 | 134 | 160 |
Week | ||||||||||
Week | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
Demand | 90 | 280 | 180 | 150 | 130 | 380 | 105 | 170 | 210 | 200 |
Refering to the Table 1 below, determine the best forecasting methods to forecast week 4 until week 20 by evaluating any FOUR forecasting methods. The alpha value is known to be 0.4. The forecasting value for week 3 is known to be 30 units.
Table 1: Demand from week 1 until week 20
Week | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
Demand | 90 | 50 | 20 | 60 | 80 | 120 | 40 | 30 | 30 | 70 |
Week | ||||||||||
Week | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
Demand | 50 | 80 | 70 | 80 | 90 | 20 | 30 | 30 | 40 | 50 |