The Silverchems Company is trying to choose the most appropriate forecast technique to use for planning ahead in the coming years. Their historical data for the sales of the last 6 months is presented in the table below. Calculate the forecasts by using; Simple average method, b. Weighted moving average method for 2 periods, with weights 0.8 and 0.2, C. Exponential smoothing method with a = 0.4. a. Months Actual Sales April 120 May 160 June 180 Note: Forecast for the sales of October too. July 190 August 170 September 150

The Silverchems Company is trying to choose the most appropriate forecast technique to use for planning ahead in the coming years. Their historical data for the sales of the last 6 months is presented in the table below. Calculate the forecasts by using: a. Simple average method, b. Weighted moving average method for 2 periods, with weights 0.8 and 0.2 , c. Exponential smoothing method with a=0.4. Note: Forecast for the sales of October too