| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| SMKVIN | 2 | 3 | 4 | 5 | 6 |
| NOSMKVIN | 6 | 7 | 8 | 9 | 10 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| SMKVIN | 3.26 | 4 | 4.74 |
| NOSMKVIN | 7.26 | 8 | 8.74 |
| Boxplot Means | |||
| Variable | trimmed mean | unbiased SD | |
| SMKVIN | 4.11 | 1.28 | |
| NOSMKVIN | 8.11 | 1.28 | |
