alpha = 0.20 Question 2 Part C Grader Orders ES Month Delivered Forecast ES Error Jan 120 Feb 90 Mar 100 Apr 75 May 110 Jun 50 Jul 75 Aug 130 Sep 110 Oct 90 Nov Value Part Grader Forecast = b Value Part Grader MAPE d EAVE IT BLANK. Part Grader Solver Results Values StatTools Part Grader alpha = ES(alpha=0.2) 1.1 Part Grader MAPE = Optimal ES g.2. Metric Nov Forecast = alpha MAPE