The following gives the number of pints of type A 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 3-week moving average.

b. Use a 3-week weighted moving average, with weights of .1, .3, and .6 using .6 for the most recent week. * Then, forecast demand for the week of October 12.

c. Compute the forecast for the week of October 12 using exponential smoothing with a forecast for August 31 of 360 and a=.2