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 7 372
September 14 408
September 21 381
September 28 368
October 5 378

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 0.1.5, 0.35 and 0.50 using .0.50 for the most recent week. * Then, forecast demand for the week of October 12.

c. If the forcasted demand for the week of August 31 is 360 and a=0.30, using exponential smoothng, develop the forecast for each of the weeks with the known demand and the forecast for the week of October 12 (round your responses to two decimal places)

WEEK OF: PINTS USED FORECAST
August 31 360 360
September 7 372 360.00
September 14 408 363.60
September 21 381
September 28 368
October 5 378