| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| I1 | 11 | 18.5 | 23 | 24 | 28 |
| I2 | 9 | 16 | 20 | 23 | 28 |
| I3 | 5 | 8.5 | 12 | 20 | 23 |
| E1 | 20 | 21.5 | 22.5 | 24 | 27 |
| E2 | 11 | 18.5 | 20.5 | 24 | 28 |
| E3 | 19 | 21 | 23 | 25.5 | 28 |
| A | 4 | 4 | 4.5 | 7 | 10 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| I1 | 20.8275 | 23 | 25.1725 |
| I2 | 17.235 | 20 | 22.765 |
| I3 | 7.4575 | 12 | 16.5425 |
| E1 | 21.5125 | 22.5 | 23.4875 |
| E2 | 18.3275 | 20.5 | 22.6725 |
| E3 | 21.2225 | 23 | 24.7775 |
| A | 3.315 | 4.5 | 5.685 |
