An analyst must decide between two different forecasting techniques for weekly sales of roller blades: a linear trend equation and the naive approach. The linear trend equation is F+=123 +1.9t, 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 if MAD and MSE are used? (Round your intermediate calculations and final answers to 2 decimal places.) 11234567890 ल t Units Sold 11 146 12 147 150 145 20 157 149 155 158 160 167 MAD (Naive) MAD (Linear) MSE (Naive) MSE (Linear) Linear trend 5.22 2.81 provides forecasts with less average error and less average squared error.
An analyst must decide between two different forecasting techniques for weekly sales of roller blades: a linear trend equation and the naive approach. The linear trend equation is F+=123 +1.9t, 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 if MAD and MSE are used? (Round your intermediate calculations and final answers to 2 decimal places.) 11234567890 ल t Units Sold 11 146 12 147 150 145 20 157 149 155 158 160 167 MAD (Naive) MAD (Linear) MSE (Naive) MSE (Linear) Linear trend 5.22 2.81 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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