Solutions Operations management

Solution) The following table shows the number of pints of Type A blood used at Woodlawn Hospital in the pa

Question: 4. The following table shows the number of pints of Type A blood used at Woodlawn Hospital in the past six weeks:

Week Pints Used
June 2 360
June 9 389
June 16 410
June 23 381
June 30 368
July 7 374

a. Forecast the demand for the week of July 14 using a three-week moving average.

b. Forecast the demand for the week of July 14 using a three-week weighted moving average, with weights of 0.10, 0.30, and 0.60, using 0.60 for the most recent demand.

c. Use the exponential smoothing method to forecast demand for the week of July 14, with a forecast for June 2 of 360 units and α=0.20.

d. Which forecast method gives more accurate results? How do you know?

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