Question: Problem 4 : Exponential smoothing is used to forecast automobile battery sales. Two value of are examined, = 0 . 8 and = 0 .

Problem 4: Exponential smoothing is used to forecast automobile battery sales. Two value of are examined, =0.8 and =0.5. Evaluate the accuracy of each smoothing constant. Which is preferable? (Assume the forecast for January was 22 batteries.) Actual sales are given below Month Actual Battery Sales Forecast January 2022 February 21 March 15 April 14 May 13 June 16

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