Question: Question #3 . Forecast for period # 13 using the three methods as shown in the table below. Find MAD and MAPE for each method.
Question #3. Forecast for period # 13 using the three methods as shown in the table below. Find MAD and MAPE for each method. Which method is giving you the best forecast? Why?
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| Four period Simple | Exponential Smoothing | Nave | Method | #1 | ||||
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| Moving Average |
| Method Alpha = 0.7 | Forecast=Last Pd Sales | |||||
| Sales | Forecast Error | %Error | Forecast Error | %Error | Forecast Error | %Error | |||
Period | Y | Y cap | Y Y cap | APE | Y cap | Y Y cap | APE | Y cap | Y Y cap | APE |
1 | 24 |
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2 | 25 |
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| 24 |
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3 | 27 |
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4 | 24 |
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5 | 20 |
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6 | 21 |
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7 | 23 |
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8 | 28 |
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9 | 24 |
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10 | 26 |
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11 | 24 |
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12 | 29 |
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Results | === |
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| Forecast | MAD | MAPE | Forecast | MAD | MAPE | Forecast | MAD | MAPE |
The best forecast is ____________________________________
because__________________________________________________
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