| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| smokers | 2 | 3 | 3.5 | 5 | 7 |
| nsmokers | 2 | 3 | 4 | 4 | 5 |
| Boxplot Means | |||
| Variable | trimmed mean | unbiased SD | |
| smokers | 3.78 | 1.4 | |
| nsmokers | 3.67 | 1.14 | |
| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| smokers | 2 | 3 | 3.5 | 5 | 7 |
| nsmokers | 2 | 3 | 4 | 4 | 5 |
| Boxplot Means | |||
| Variable | trimmed mean | unbiased SD | |
| smokers | 3.78 | 1.4 | |
| nsmokers | 3.67 | 1.14 | |