Robert wants to know if there's a relation between money spent on gambling and winnings
| Money spent |
Money won |
| 16 |
330 |
| 12 |
270 |
| 18 |
380 |
| 14 |
300 |
Determine the equation of the regression line relating money spent (x) and money won (y).
If he spent $15 , how much can he expect to win?