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18 hich statement is NOT true about the exponential smoothing forecasting model? Select one: C} a. Unlike the moving average model, data values are not all weighted equallv using the exponential smoothing model. C} b. The exponential smoothing model incorporates all available time series data in the forecast. C} c. The exponential smoothing model requires a data set that is mostlyr all outliers. C} d. The exponential smoothing model is best suited for forecasting time series without a strong seasonal variation.