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

Week of Pints Used

31-Aug .........360

7-Sep .........389

14-Sep...........410

21-Sep..........381

28-Sep..........368

5-Oct.............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. Forecast demand for the week of October 12

c. Compute the forecast for the week of October 12 using exponential.