TABLE 6–11 Actual Sales Data Solution to Problem 6 W1 = 3 W2 = 5 W3 = 9 Actual Sales Forecast Weighted Moving Average Absolute Time Period ($00) Deviation 445 478 525 660 570 600 632 648 690 725 1 2 162.94 18.18 11.47 30.24 4. 497.06 588.18 588.53 601.76 611.65 634.82 667.41 701.12 732.06 36.35 55.18 10 11 12 57.59 48.88 750 Sum 420.82 in MAD = 52.60

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