units QJ (20 marks): Given the following weekly demand data (20. 110, 60, 80, 120, 165, and 90) A) Develop a forecast for the next period using a simple wer FX :B) Develop a forecast for the next period using a weighted average, given Wt-1 =(4,3.5.3.2.5.2.1. 1 =(1,2....,7) FR .) Develop forecasts for periods from week 4 to week 8, using a three-period moving aver F(units) Week F4 F5 FG F7 F8 :D) Develop forecasts for periods from week 4 to weeks, using a weighted moving average given that WE =(0.4.0.3.0.2.0.1:6-4) 1-(1.2.....4) F(units) Weck 5 7 E) Develop forecasts for periods from week 2 to week, using exponential smoothing then that (a=0.3 and the initial forecast is equal simple average) Week F8 Q3 (20 marks): Given the following weekly demand data (20, 110, 60, 80, 120, 165, and 90) ..) Develop a forecast for the next period using a simple aver units :B) Develop a forecast for the next period using a weighted average, given Wt -1 =(4,3.5,3,2.5,2,1.5 1 =(1,2.....7) F8 units .C) Develop forecasts for periods from week 4 to week 8, using a three-period moving aver F(units) Weck F4 FS F6 F7 F8 :D) Develop forecasts for periods from week 4 to week 8 using a weighted moving average given that Wt-1-(0.4.0.3.0.2.0.1: =4) 1-(1,2,...,4) F(units) Week 5 6 7 E) Develop forecasts for periods from week 2 to week 8 using exponential smoothing given that (a = 0.3 and the initial forecast is equal simple average) Week 2