| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| I1 | 6 | 16 | 20 | 23 | 28 |
| I2 | 4 | 16 | 21 | 24 | 28 |
| I3 | 7 | 16 | 20 | 23 | 28 |
| E1 | 11 | 18 | 20 | 23 | 28 |
| E2 | 6 | 16 | 20 | 23 | 28 |
| E3 | 7 | 17 | 21.5 | 24 | 28 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| I1 | 19.1310443333419 | 20 | 20.8689556666581 |
| I2 | 20.0069078095336 | 21 | 21.9930921904664 |
| I3 | 19.1310443333419 | 20 | 20.8689556666581 |
| E1 | 19.3793173809585 | 20 | 20.6206826190415 |
| E2 | 19.1310443333419 | 20 | 20.8689556666581 |
| E3 | 20.6310443333419 | 21.5 | 22.3689556666581 |
