A human resources (HR) manager wants to know if annual performance review scores can be predicted by the number of vacation days taken during the year and the number of dependents an employee claims
| Employees | # of Vacation Days taken | Number of dependents | Overall performance rating (1 [lowest] to 4 [highest]) |
| 10 | 2.9 | ||
| 12 | 2.4 | ||
| 10 | |||
| 15 | 2.3 | ||
| 14 | 3.2 | ||
| 12 | 1.9 | ||
| 13 | 3.4 | ||
| 15 | 2.1 | ||
| 16 | 2.9 | ||
| 10 | 14 | 2.4 | |
| 11 | 13 | ||
| 12 | 12 | 2.3 | |
| 13 | 11 | 3.2 | |
| 14 | 10 | 1.9 | |
| 15 | 13 | 3.4 | |
| 16 | 13 | 2.1 | |
| 17 | 14 | 2.9 | |
| 18 | 18 | 3.4 | |
| 19 | 17 | ||
| 20 | 14 | 3.3 |
