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(a) Show the exponential smoothing forecasts using a = 0.1. (Round your answers to three decimal places.) Time Series Value Week Forecast 1 17 2 21 3 20 4 24 18 17 20 8. 17 23 10 21 11 15 12 23 (b) Applying the MSE measure of forecast accuracy, would you prefer a smoothing constant of a = 0.1 or a = 0.2 for the gasoline sal- two decimal places.) Using a = 0.1 MSE is and using a = 0.2 MSE is so we would prefer a smoothing constant of 0.2 v

(a) Show the exponential smoothing forecasts using a = 0.1. (Round your answers to three decimal places.) Time Series Value Week Forecast 1 17 2 21 3 20 4 24 18 17 20 8. 17 23 10 21 11 15 12 23 (b) Applying the MSE measure of forecast accuracy, would you prefer a smoothing constant of a = 0.1 or a = 0.2 for the gasoline sal- two decimal places.) Using a = 0.1 MSE is and using a = 0.2 MSE is so we would prefer a smoothing constant of 0.2 v

MATLAB: An Introduction with Applications
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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Please answer a , b
Suppose these data show the number of gallons of gasoline sold by a gasoline distributor in Bennington, Vermont, over the past 12 weeks. Week Sales (1,000s of gallons) 17 2 21 3 20 4 24 18 6 17 20 8 17 23 Mar con3 10 21 11 15 12 23
Transcribed Image Text:Suppose these data show the number of gallons of gasoline sold by a gasoline distributor in Bennington, Vermont, over the past 12 weeks. Week Sales (1,000s of gallons) 17 2 21 3 20 4 24 18 6 17 20 8 17 23 Mar con3 10 21 11 15 12 23
(a) Show the exponential smoothing forecasts using a = 0.1. (Round your answers to three decimal places.) Time Series Value Week Forecast 1 17 2 21 3 20 4 24 18 17 20 8 17 23 10 21 11 15 12 23 (b) Applying the MSE measure of forecast accuracy, would you prefer a smoothing constant of a = 0.1 or a = 0.2 for the gasoline sale two decimal places.) Using a = 0.1 MSE is and using a = 0.2 MSE is so we would prefer a smoothing constant of 0.2 v
Transcribed Image Text:(a) Show the exponential smoothing forecasts using a = 0.1. (Round your answers to three decimal places.) Time Series Value Week Forecast 1 17 2 21 3 20 4 24 18 17 20 8 17 23 10 21 11 15 12 23 (b) Applying the MSE measure of forecast accuracy, would you prefer a smoothing constant of a = 0.1 or a = 0.2 for the gasoline sale two decimal places.) Using a = 0.1 MSE is and using a = 0.2 MSE is so we would prefer a smoothing constant of 0.2 v
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