Question: QUESTION 8 A forecasting method has produced the following over the past six months. What is the mean absolute deviation? Month Forecast Actual Jan 15

QUESTION 8 A forecasting method has produced the following over the past six months. What is the mean absolute deviation? Month Forecast Actual Jan 15 Feb 17 10 March April May June M 1205 2-382 11 13 4950 14 20 10

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