If y = a + b(x − 2005) fits the time series data:
| x (year): | 2003 | 2004 | 2005 | 2006 | 2007 |
| y (yield in tons): | 6 | 13 | 17 | 20 | 24 |
Then the value of a + b is:
1
16
2
20.3
3
43
4
80.3
If y = a + b(x − 2005) fits the time series data:
| x (year): | 2003 | 2004 | 2005 | 2006 | 2007 |
| y (yield in tons): | 6 | 13 | 17 | 20 | 24 |
Then the value of a + b is: