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: Year 1 2 3 4 5 Heart Transplants 45.0 48.0 53.0 57.0 58.0 The director of medical services predicted 6 years ago that demand in year 1 would be 41.0 surgeries. a) Using exponential smoothing with a of 0.60 and the given forecast for year 1, the forecasts for years 2 through 6 are (round your responses to one decimal place): Year Forecast 1 41.0 2 43.4 For the forecast made using exponential smoothing with a = 0.60 and the given forecast for year 1, MAD= 5.2 surgeries (round your response to one decimal place). Using exponential smoothing with a of 0.90 and the given forecast for year 1, the forecasts for years 2 through 6 are (round your responses to one decimal place): Year Forecast 1 2 3 41.0 44.6 47.7 4 5 6 52.3 56.7 57.9 Year Forecast 3 4 5 6 46.16 50.26 54.3 56.5 For the forecast made using exponential smoothing with a = 0.90 and the given forecast for year 1, MAD = 3.74 surgeries (round your response to one decimal place). b) Forecasts for years 4 through 6 using a 3-year moving average are (round your responses to one decimal place): 4 5 6 48.7 52.7 56 For forecasts made using a 3-year moving average, MAD= 6.8 surgeries (round your response to one decimal place). c) Forecasts for years 1 through 6 using the trend-projection method are (round your responses to one decimal place): 1 3 Year Forecast 2 4 5 6
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: Year 1 2 3 4 5 Heart Transplants 45.0 48.0 53.0 57.0 58.0 The director of medical services predicted 6 years ago that demand in year 1 would be 41.0 surgeries. a) Using exponential smoothing with a of 0.60 and the given forecast for year 1, the forecasts for years 2 through 6 are (round your responses to one decimal place): Year Forecast 1 41.0 2 43.4 For the forecast made using exponential smoothing with a = 0.60 and the given forecast for year 1, MAD= 5.2 surgeries (round your response to one decimal place). Using exponential smoothing with a of 0.90 and the given forecast for year 1, the forecasts for years 2 through 6 are (round your responses to one decimal place): Year Forecast 1 2 3 41.0 44.6 47.7 4 5 6 52.3 56.7 57.9 Year Forecast 3 4 5 6 46.16 50.26 54.3 56.5 For the forecast made using exponential smoothing with a = 0.90 and the given forecast for year 1, MAD = 3.74 surgeries (round your response to one decimal place). b) Forecasts for years 4 through 6 using a 3-year moving average are (round your responses to one decimal place): 4 5 6 48.7 52.7 56 For forecasts made using a 3-year moving average, MAD= 6.8 surgeries (round your response to one decimal place). c) Forecasts for years 1 through 6 using the trend-projection method are (round your responses to one decimal place): 1 3 Year Forecast 2 4 5 6
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question

Transcribed Image Text: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:
2 3 4
48.0 53.0 57.0
5
58.0
Year
1
Heart Transplants 45.0
The director of medical services predicted 6 years ago that demand in year 1 would be 41.0 surgeries.
a) Using exponential smoothing with a of 0.60 and the given forecast for year 1, the forecasts for years 2 through 6 are (round your responses to one decimal place):
Year
Forecast
1
41.0
2
43.4
Year
Forecast
3
4
46.16 50.26
For the forecast made using exponential smoothing with a = 0.60 and the given forecast for year 1, MAD= 5.2 surgeries (round your response to one decimal place).
Using exponential smoothing with a of 0.90 and the given forecast for year 1, the forecasts for years 2 through 6 are (round your responses to one decimal place):
Year
Forecast
1
41.0
2
3
4
5
44.6 47.7 52.3 56.7
1
For the forecast made using exponential smoothing with a = 0.90 and the given forecast for year 1, MAD = 3.74 surgeries (round your response to one decimal place).
b) Forecasts for years 4 through 6 using a 3-year moving average are (round your responses to one decimal place):
4
5
6
48.7 52.7 56
For forecasts made using a 3-year moving average, MAD= 6.8 surgeries (round your response to one decimal place).
c) Forecasts for years 1 through 6 using the trend-projection method are (round your responses to one decimal place):
Year
Forecast
2
5
54.3
3
4
6
56.5
5
6
57.9
6
Expert Solution
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VIEWStep 3: Forecast using exponential smoothing with alpha = 0.90
VIEWStep 4: Fine the forecast values using 3 period moving average.
VIEWStep 5: Forecast using trend projection method.
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