The following data were collected for the yield number of ap
The following data were collected for the yield (number of apples per year) of Jim\'s apple farm over the past decade, starting from the earliest, are:
600,625,620,630,700,720,750,755,800,790
Obtain the smoothed series of 2-term moving averages and 4-term moving averages.. Make a sensible comparison of these two filters.
Solution
2-term moving averages is better than 4-term moving averages
| number of periods: | 2 | |
| t | Data | 2MA |
| 1 | 600 | |
| 2 | 625 | 612.5 |
| 3 | 620 | 622.5 |
| 4 | 630 | 625.0 |
| 5 | 700 | 665.0 |
| 6 | 720 | 710.0 |
| 7 | 750 | 735.0 |
| 8 | 755 | 752.5 |
| 9 | 800 | 777.5 |
| 10 | 790 | 795.0 |
