The following gives the number of pints of type B blood used at Woodlawn Hospital in the past 6 weeks:

Week Of	Pints Used
August 31	360
September 7	389
September 14	410
September 21	381
September 28	368
October 5	374

A. Forecast the demand for the week of October 12 using a 4-week moving average. [ Select ] ["383.25", "385.66", "375.25", "372.90", "374.33"]

B. What is the MAD? [ Select ] ["20.31", "15.00", "17.24", "9.52", "11.52"]

C. Use a 4-week weighted moving average, with weights of .1, .1, .2, and .6 using .6 for the most recent week. Forecast demand for the week of October 12. [ Select ] ["371.50", "372.90", "377.10", "374.33", "370.67"]

D. What is the MAD? [ Select ] ["10.20", "12.78", "10.67", "16.24", "12.24"]

E. Compute the forecast for the week of October 12 using exponential smoothing with a forecast for August 31 of 363 and = .47 [ Select ] ["370.96", "387.50", "374.33", "375.99", "374.26"]

F. What is the MAD? [ Select ] ["11.56", "18.45", "12.55", "16.37", "10.56"]

G. Based on evaluating all three forecasting models, which forecast should be chosen? [ Select ] ["exponential smoothing", "cannot determine based on the information given", "4 week weighted moving average", "either exponential smoothing or 4 week moving average based on having the same error analysis outcome", "4 week moving average"]