Two different forecasting techniques (F1 and F2) were used to forecast demand for cases of bottled water. Actual demand and the two sets of forecasts are as follows: PREDICTED DEMAND Period Demand F1 F2 12345698 68 63 62 75 66 61 70 73 70 74 65 71 69 71 73 72 69 73 80 70 76 78 72 80