In: Statistics and Probability
Period | Receipts |
1 | 30172000 |
2 | 16916000 |
3 | 11794000 |
4 | 7862000 |
5 | 6354000 |
6 | 5222000 |
7 | 4106000 |
8 | 3368000 |
9 | 2302000 |
10 | 2440000 |
11 | 2472000 |
12 | 2766000 |
13 | 2856000 |
14 | 2300000 |
15 | 1704000 |
16 | 1776000 |
17 | 1362000 |
18 | 1158000 |
19 | 1124000 |
Use the formula for the "best" trend model to forecast the time
series (Receipts) for x = t = 20.
Round the forecast to the nearest whole number.