The following actual and forecast values have been observed for two forecasting approaches. Period Actual Forecast 1 Forecast 2 1 7 10 2 8 9 3 9 8 4 7 12 5 8 6 O-1.2, -2.33 The MAD s for Forecast 1 and Forecast 2 approaches are 2.4, -2.33 O 1.2, 2.33 111 O2.4, 2.33 11 9 11 ____ and respectively:

The following actual and forecast values have been observed for two forecasting approaches. The MAD s for Forecast 1 and Forecast 2 approaches are and respectively: 1.2,2.33 2.4,2.33 1.2,2.33 2.4,2.33