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A large Portland manufacturer wants to forecast demand for a piece of pollution-control equipment. A review of past sales (A.), as shown below, indicates that
A large Portland manufacturer wants to forecast demand for a piece of pollution-control equipment. A review of past sales (A.), as shown below, indicates that an increasing trend is present. Smoothing constants are assigned the values of a = 0.20 and B = 0.4. The firm assumes the initial forecast for month 1 (F1) was 11.00 units and the trend over that period T, was 2.00 units. Using trend-adjusted exponential smoothing, Forecasts (Ft), Trend (T), and Forecasts Including Trend (FIT,) for months 1 through 6 have already been developed and are provided below. Continue with the process and determine F7, T7, and FIT, for months 7 through 9 (round your responses to two decimal places): Month Actual Demand (A.) 1 2 3 on a WN 12.0 18.0 20.0 18.0 24.0 22.0 Forecast (Ft) 11.00 12.80 15.38 18.05 19.94 22.50 Trend (14) 2.00 1.92 2.18 2.38 2.18 2.33 Forecast Including Trend (FIT) 13.00 14.72 17.56 20.43 22.12 24.83 4 5 6 7 30.0 ee 8 27.0 9 36 0 10
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