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 5 48.0 53.0 57.0 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 For forecasts made using a 3-year moving average, MAD = 1 41.0 2 43.4 3 4 5 6 46.16 50.26 54.3 56.5 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 6 44.6 47.7 52.3 56.7 57.9 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 Year Forecast 5 6 48.7 52.7 56 surgeries (round your response to one decimal place).
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 5 48.0 53.0 57.0 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 For forecasts made using a 3-year moving average, MAD = 1 41.0 2 43.4 3 4 5 6 46.16 50.26 54.3 56.5 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 6 44.6 47.7 52.3 56.7 57.9 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 Year Forecast 5 6 48.7 52.7 56 surgeries (round your response to one decimal place).
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
solve for MAD pls
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:
D
Year
Heart Transplants
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
For forecasts made using a 3-year moving average, MAD =
1
41.0
1 2
45.0 48.0
3 4 5
53.0 57.0 58.0
2
43.4
Year
Forecast
3
4
46.16 50.26
5
54.3
For the forecast made using exponential smoothing with α = 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
52.3 56.7
6
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
surgeries (round your response to one decimal place).
6
57.9
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