MAD (Naive) MAD (Linear) MSE (Naive) MSE (Linear) provides forecasts with less average error and less average squared error.

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter13: Regression And Forecasting Models
Section13.6: Moving Averages Models
Problem 22P: The file P13_22.xlsx contains total monthly U.S. retail sales data. While holding out the final six...
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An analyst must decide between two different forecasting techniques for weekly sales of roller blades: a linear trend equation and the
nalve approach. The linear trend equation is F₂ =126-21t, and it was developed using data from periods 1 through 10. Based on data
for periods 11 through 20 as shown in the table, which of these two methods has the greater accuracy of MAD and MSE are used?
(Round your intermediate calculations and final answers to 2 decimal places.)
t
12345671819 38
20
Units Sold
146
146
148
144
153
149
154
157
162
166
Click here for the Excel Data File
MAD (Naive)
MAD (Linear)
MSE (Naive)
MSE (Linear)
provides forecasts with less average error and less average squared error.
Transcribed Image Text:An analyst must decide between two different forecasting techniques for weekly sales of roller blades: a linear trend equation and the nalve approach. The linear trend equation is F₂ =126-21t, and it was developed using data from periods 1 through 10. Based on data for periods 11 through 20 as shown in the table, which of these two methods has the greater accuracy of MAD and MSE are used? (Round your intermediate calculations and final answers to 2 decimal places.) t 12345671819 38 20 Units Sold 146 146 148 144 153 149 154 157 162 166 Click here for the Excel Data File MAD (Naive) MAD (Linear) MSE (Naive) MSE (Linear) provides forecasts with less average error and less average squared error.
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