An analysis of an annual sales series uses linear exponential smoothing (LES) to produce the following results: L, = 100, T, = 4.0, a =
An analysis of an annual sales series uses linear exponential smoothing (LES) to produce the following results: L, = 100, T, = 4.0, a = 0.3, 8 = 0.2. In addition, the estimation sample produces an estimated RMSE of 2.5. Determine the point forecasts and the prediction intervals for one through three steps ahead
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