a) Which type of forecasting approach, qualitative or quantitative, is better? Discuss, explain and justify your affirmation. b) Discuss how you would manage a poor forecast. Weekly sales of the Weber food processor for the past 10 weeks have been as follows: Week Sales Week 980 Sales 990 1030 1040 1120 1260 9 1050 960 1240 1 100 10 , a. Determine, on the basis of minimizing the mean square error, whether a three-or four-period simple moving average model gives a better forecast for this problem. b. For each model, forecast sales for Week 11. TT T Arial - 3(12pt) - T--JE