Question

As you can see in the following table, demand for heart transplant surgery at Washington General Hospital has increased steadily in the past few years:


The director of medical services predicted 6 years ago that demand in year 1 would be 41 surgeries.
(a) Use exponential smoothing, first with a smoothing constant of .6 and then with one of .9, to develop forecasts for years 2 through 6.
(b) Use a 3-year moving average to forecast demand in years 4, 5, and 6.
(c) Use the trend-projection method to forecast demand in years 1 through 6.
(d) With MAD as the criterion, which of the four forecasting methods isbest’?


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  • CreatedJuly 15, 2013
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