The following table gives the number of pints of A blood used at Damascus Hospital in the past? 6? weeks:
Week of pints Used
August 31 345
September 7 389
September 14 408
September 21 383
September 28 366
October 5 378
Moving average?: A forecasting method that uses an average of the n most recent periods of data to forecast the next period.
?a) The forecasted demand for the week of October 12 using? a? 3-week moving average? = _____pints ??
??b) Using? a? 3-week weighted? moving? average, with weights of? 0.10, 0.35, and? 0.55, using 0.55 for the most? recent? week, the forecasted demand for the week of October? 12? =_____pints ???(round your response to two decimal places and remember to use the weights in appropriate order long? dash- the largest weight applies to most recent period and smallest weight applies to oldest? period.?)
??c) If the forecasted demand for the week of August 31 is 345 and? alphaα ?=? 0.30?, using? exponential? smoothing, 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 for this date
August 31 345 345
September 7 389 345.00
September 14 408 358.0
September 21 383 _____
September 28 366 ______
October 5 378 _______
October 12 - _____