Question: need help A company has used three different methods to forecast sales for the past five months. (a) Use MAD and MSE to evaluate the

need help

A company has used three different methods to forecast sales for the past five months. (a) Use MAD and MSE to evaluate the performance of the three methods (Round your answers to 1 decimal place, es. 1.2) Method A Method B Period Actual Method 1 13 2 7 8 2 7 12 10 . 13 11 3 11 13 7 4 2 13 6 13 N 5 10 15 14 7 MAD MSE Method A Method A Method B Period Actual Method C 1 9 13 8 7 2 7 12 10 13 3 13 11 11 7 4 7 13 6 6 13 5 5 10 15 14 7 MAD MSE Method A Method B Method C Method A Method Method B (b) Which of these is actually the naive method

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