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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
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, e.g. 1.2.)
Period | Actual | Method A | Method B | Method C |
---|---|---|---|---|
1 | 12 | 10 | 7 | 8 |
2 | 7 | 11 | 11 | 12 |
3 | 13 | 13 | 10 | 7 |
4 | 7 | 14 | 5 | 13 |
5 | 10 | 15 | 14 | 7 |
MAD | MSE | |
Method A | ||
Method B | ||
Method C |
(b) Which of these is actually the nave method? select a method ? Method C or Method A or Method B
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