Marge & Center $ % ) Office Update To keep up-to-date with security updates, fixes, and improvements, choose Check for Updates. 33 x x D FGH Problem Set 3 Calculate forecasts for April using exponential smoothing with a 04. F -F-1 + a(A-1 - F-1) Calculate the MAD (Mean Absolute Deviation) for all the forecasts, including January's. Where: Forecast values for time period Smoothing constant for - Forecast for the previous me pre- A -Actual occurence for time pet -1 Month Actual Demand Forecast Abs. Dev Forecast Error) MAD 95 February 93 March 102 April May 108 Ah, the in constant January 78 June Prob Set 2 Prob Set