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A large Portland manufacturer wants to forecast demand for a piece of pollution-control equipment. A review of past sales (At), 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 (At), as shown below, indicates that an increasing trend is present. Smoothing constants are assigned the values of =0.20 and =0.4. The firm assumes the initial forecast for month 1(F1) was 11.00 units and the trend over that period T1 was 2.00 units. Using trend-adjusted exponential smoothing, Forecasts (Ft), Trend (Tt), and Forecasts Including Trend (F/Tt) for months 1 through 6 have already been developed and are provided below. Continue with the process and determine Ft,Tt, and F/Tt for months 7 through 9 (round your responses to two decimal places)
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