Question: 1. Calculate mean absolute deviation (MAD), mean absolute percent error (MAPE), and Mean Squared Error (MSE) based on below information. MAD Period Demand Forecast Error
1. Calculate mean absolute deviation (MAD), mean absolute percent error (MAPE), and Mean Squared Error (MSE) based on below information. MAD Period Demand Forecast Error Absolute Error 1 150
| Period | Demand | Forecast | Error | Absolute |
|---|---|---|---|---|
| 1 | 150 | 135 | ||
| 2 | 145 | 155 | ||
| 3 | 160 | 145 | ||
| 4 | 141 | 160 | ||
| 5 | 143 | 147 |
MAD=
MAPE
| Period | Demand | Forecast |
|---|---|---|
| 1 | 150 | 135 |
| 2 | 145 | 155 |
| 3 | 160 | 145 |
| 4 | 141 | 160 |
| 5 | 143 | 147 |
MAPE=
MSE=
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