A. compute MAD for each set of forecasts. Given results which appears to be more accurate? Explain.

21. Two different forecasting techniques (FI and F2) were used to forecast demand for Page cases of bottled water. Actual demand and the two sets of forecasts are as follows: PREDICTED DEMAND Period Demand F1 F2 1 68 66 66 2 75 68 68 3 70 72 70 4 74 71 72 5 69 72 74 6 72 70 76 7 80 71 78 8 78 74 80