a) Using a 2-year moving average, the forecast for year 6 = miles (round your response to the nearest whole number). miles (round your response to one decimal place). (Hint: You will have only 3 years of matched data.) b) If a 2-year moving average is used to make the forecast, the MAD based on this = c) The forecast for year 6 using a weighted 2-year moving average with weights of 0.45 and 0.55 (the weight of 0.55 is for the most recent period) = miles (round your response to the nearest whole number). The MAD for the forecast developed using a weighted 2-year moving average with weights of 0.45 and 0.55 = miles (round your response to one decimal place). (Hint: You will have only 3 years of matched data.)

a) Using a 2-year moving average, the forecast for year 6 = miles (round your response to the nearest whole number). miles (round your response to one decimal place). (Hint: You will have only 3 years of matched data.) b) If a 2-year moving average is used to make the forecast, the MAD based on this = c) The forecast for year 6 using a weighted 2-year moving average with weights of 0.45 and 0.55 (the weight of 0.55 is for the most recent period) = miles (round your response to the nearest whole number). The MAD for the forecast developed using a weighted 2-year moving average with weights of 0.45 and 0.55 = miles (round your response to one decimal place). (Hint: You will have only 3 years of matched data.)

ENGR.ECONOMIC ANALYSIS

14th Edition

ISBN:9780190931919

Author:NEWNAN

Publisher:NEWNAN

Chapter1: Making Economics Decisions

Section: Chapter Questions

Problem 1QTC

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Question

The Carbondale Hospital is considering the purchase of a new ambulance. The decision will rest partly on the anticipated mileage to be driven next year. The miles driven during the past 5 years are as follows:
Year
Mileage
1
3,050
a) Using a 2-year moving average, the forecast for year 6 =
miles (round your response to the nearest whole number).
b) If a 2-year moving average is used to make the forecast, the MAD based on this = miles (round your response to one decimal place). (Hint: You will have only 3 years of matched data.)
c) The forecast for year 6 using a weighted 2-year moving average with weights of 0.45 and 0.55 (the weight of 0.55 is for the most recent period) =
miles (round your response to the nearest whole number).
The MAD for the forecast developed using a weighted 2-year moving average with weights of 0.45 and 0.55 =
d) Using exponential smoothing with a = 0.20 and the forecast for year 1 being 3,050, the forecast for year 6 =
miles (round your response to one decimal place). (Hint: You will have only 3 years of matched data.)
miles (round your response to the nearest whole number).
2
4,050
3
3,500
4
3,750
5
3,700

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Step 1: Introduce the concept of moving average.

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Step 2: a) Determine the forecast for year 6 using a 2-year moving average.

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Step 3: b) Determine the Mean Absolute Division (MAD) based on a 2-year moving average.

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Step 4: c) Determine the forecast for year 6 & (MAD) using a weighted 2-year moving average.

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