Score: 1.67 of 8 pts 18 of 19 (19 complete) & Problem 4.13 As you can see in the

Question

Score: 1.67 of 8 pts 18 of 19 (19 complete) & Problem 4.13 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: 4 Heart Transplants 48.0 50.0 52.0 57.0 58.0 The director of medical services predicted 6 years ago that demand in year 1 would be 44.0 surgeries. a) using exponential smoothing with of 0.60 and the given forecast or year 1 the forecasts for years 2 through 6 are round your responses to one decimal place): Year 2 4 6 Forecast 44.0 46.4 48.6 50.6 54.456.6 For the forecast made using exponential smoothing with a 0.60 and the given forecast for year 1, MAD surgeries (round your response to one decimal place).

Explanation / Answer

Mean Absolute Deviation = Absolute Deviation between actual and forecast/Number of observations

Mean Absolute Deviation = {|4 + 3.6 + 3.4 + 6.4 + 3.6|}/5

= 21/5

= 4.2

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