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Problem F Answer questions 50-53: A manager must forecast weekly demand for an item from the data below: Week: Demand: 1 50 2 65 3 52 4 56 5 52 6 60 50. The forecast for Week 7 using a three-period moving average is: 52 b. 56 58.7 d. 54 c. e. 55.7 a. 51. The forecast for Weck 7 using a three-period weighted moving average (with weights 0.5, 0.3, 0.2) is: a. 56 b. 59.2 c. 56.8 d. 54 c. 55.6 52. If the forecast for week 1 is 55, the forecast for Week 2 using exponential smoothing with an alpha of 0.2: 54 b. 55 56 d. 53 e. 57 c. a. 53. The Mean Absolute Deviation (MAD) with the three-period moving average is: 3 b. 4 1.7 d. 4.7 2.2 e. c. a