Linear trend equation and the naive approach

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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 naive approach. The linear trend equation is Ft = 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.)

t Units Sold

11 146

12 147

13 150

14 145

15 157

16 149

17 155

18 158

19 160

20 167

MAD (Naive) ______

MAD (Linear) _______

MSE (NAIVE) _______

MSE (Linear) ________

Reference no: EM132186331

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