Here are the actual tabulated demands for an item for a nine-month period (January through September). Your supervisor wants to test two forecasting methods to see which method was better over this period. MONTH ACTUAL January 110 February 130 March 150 April 170 May 160 June 180 July 140 August 130 September 140 a. Forecast April through September using a three-month moving average. Note: Round your answers to 1 decimal place. b. Use simple exponential smoothing with an alpha of 0.3 to estimate April through September, using the average of January through March as the initial forecast for April. Note: Do not round intermediate calculations. Round your answers to 2 decimal places. c-1. Calculate MAD for each method. Note: Round your answers to 1 decimal place. c-2. Use MAD to decide which method produced the better forecast over the six-month period. multiple choice Exponential smoothing. Three-month moving average.
Here are the actual tabulated demands for an item for a nine-month period (January through September). Your supervisor wants to test two forecasting methods to see which method was better over this period. MONTH ACTUAL January 110 February 130 March 150 April 170 May 160 June 180 July 140 August 130 September 140 a. Forecast April through September using a three-month moving average. Note: Round your answers to 1 decimal place. b. Use simple exponential smoothing with an alpha of 0.3 to estimate April through September, using the average of January through March as the initial forecast for April. Note: Do not round intermediate calculations. Round your answers to 2 decimal places. c-1. Calculate MAD for each method. Note: Round your answers to 1 decimal place. c-2. Use MAD to decide which method produced the better forecast over the six-month period. multiple choice Exponential smoothing. Three-month moving average.
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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Here are the actual tabulated demands for an item for a nine-month period (January through September). Your supervisor wants to test two forecasting methods to see which method was better over this period.
| MONTH | ACTUAL |
|---|---|
| January | 110 |
| February | 130 |
| March | 150 |
| April | 170 |
| May | 160 |
| June | 180 |
| July | 140 |
| August | 130 |
| September | 140 |
a. Forecast April through September using a three-month moving average.
Note: Round your answers to 1 decimal place.
b. Use simple exponential smoothing with an alpha of 0.3 to estimate April through September, using the average of January through March as the initial forecast for April.
Note: Do not round intermediate calculations. Round your answers to 2 decimal places.
c-1. Calculate MAD for each method.
Note: Round your answers to 1 decimal place.
c-2. Use MAD to decide which method produced the better forecast over the six-month period.
multiple choice
-
Exponential smoothing.
-
Three-month moving average.
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