Question: Period Demand Forecast 2 Error |Error| Error 2 Error % 1 68 66 2 75 68 3 70 70 4 74 72 5 69 74
| Period | Demand | Forecast 2 | Error | |Error| | Error2 | Error % | ||
| 1 | 68 | 66 | ||||||
| 2 | 75 | 68 | ||||||
| 3 | 70 | 70 | ||||||
| 4 | 74 | 72 | ||||||
| 5 | 69 | 74 | ||||||
| 6 | 72 | 76 | ||||||
| 7 | 80 | 78 | ||||||
| 8 | 78 | 80 | ||||||
| MAD | MSE | MAPE | ||||||
find the MAD, MSE, and MAPE using Excel Formulas
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