Question 5: The following gives the number of pints of type A blood used at Woodlawn...

Transcribed Image Text:

Question 5: The following gives the number of pints of type A blood used at Woodlawn Hospital in the past 16 weeks. Week Pints Used 1 860 234 2 889 3 910 881 66700 5 868 6 874 7 886 8 892 9 865 17 10 892 11 912 12 923 13 901 14 908 15 928 16 899 a) Forecast demands from week 4 to week 17 using a 3-week moving average. b) Use a 3-week weighted moving average, with weights of 0.1, 0.3, and 0.6, using 0.6 for the most recent week. Forecast demands for week 4 until week 17. c) Forecast demands for week 4 until week 17 using exponential smoothing with a = 0.7. d) Which forecast method is the best based on MAD and MSE? Question 5: The following gives the number of pints of type A blood used at Woodlawn Hospital in the past 16 weeks. Week Pints Used 1 860 234 2 889 3 910 881 66700 5 868 6 874 7 886 8 892 9 865 17 10 892 11 912 12 923 13 901 14 908 15 928 16 899 a) Forecast demands from week 4 to week 17 using a 3-week moving average. b) Use a 3-week weighted moving average, with weights of 0.1, 0.3, and 0.6, using 0.6 for the most recent week. Forecast demands for week 4 until week 17. c) Forecast demands for week 4 until week 17 using exponential smoothing with a = 0.7. d) Which forecast method is the best based on MAD and MSE?