= Homework: Chapter 4 Homework Question 16, Problem 4.59 Part 3 of 3 HW Score: 90.- O Points: 0 of Sales of tablet computers at Ted Glickman's electronics store in Washington, D.C., over the past 10 weeks are shown in the table below. 3 4 5 6 7 8 9 Week Demand 1 21 2 20 10 28 28 36 24 30 35 22 26 a) The forecast for weeks 2 through 10 using exponential smoothing with a = 0.50 and a week 1 initial forecast of 21.0 are (round your responses to two decimal places). 9 Week 1 2 3 4 5 6 7 8 10 Demand 21 20 28 36 24 30 35 22 26 28 Forecast 21.0 21.00 20.50 24 25 30.13 27.07 28.54 31.77 26.89 26.45 b) For the forecast developed using exponential smoothing (a = 0.50 and initial forecast 21.0), the MAD = 4.80 sales (round your response to two decimal places) c) For the forecast developed using exponential smoothing (a = 0.50 and initial forecast 21.0), the tracking signal = (round your response to two decimal places)