1. The following gives the number of pints of type B blood used at Woodlawn Hosp

Question

1. The following gives the number of pints of type B blood used at Woodlawn Hospital in the past 6 weeks WEEK OF August 31 September 7 September 14 September 21 September 28 October 5 PINTS USED 360 389 410 381 368 374 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 smoothing with a forecast for August 31 of 360 and a = .2

Explanation / Answer

a.

(381 + 368 + 374)/3

Answer is 374 units

B. The table below shows the data:

Answer = 373

C.

OCTOBER 12 FORECAST:          3-WEEK MOVING AVERAGE PERIOD PINTS USED 3-WEEK MOVING AVERAGE 31-Aug 360 7-Sep 389 14-Sep 410 21-Sep 381 386 (360 + 389 + 410)/3 28-Sep 368 393 (389 + 410 + 381)/3 5-Oct 374 386 (410 + 381 + 368)/3 12-Oct NEED 374

(381 + 368 + 374)/3

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