Question: A forecasting method has produced the following over the past five months. What is the mean absolute deviation (or mean absolute error)? A forecasting method
A forecasting method has produced the following over the past five months. What is the mean absolute deviation (or mean absolute error)?
A forecasting method has produced the following over the past five months. What is the mean absolute deviation (or mean absolute error)?
| Actual | Forecast |
| 11 | 11 |
| 9 | 10 |
| 10 | 10 |
| 8 | 10 |
| 9 | 8 |
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