| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| I1 | 13 | 18 | 20 | 23 | 28 |
| I2 | 10 | 16 | 18 | 20 | 25 |
| I3 | 5 | 11 | 14 | 18 | 23 |
| E1 | 17 | 21 | 24 | 25 | 28 |
| E2 | 11 | 18 | 21 | 24 | 28 |
| E3 | 15 | 21 | 23 | 25 | 28 |
| AM | 4 | 4 | 5 | 8 | 14 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| I1 | 19.1978765295444 | 20 | 20.8021234704556 |
| I2 | 17.3583012236356 | 18 | 18.6416987763644 |
| I3 | 12.8770271413622 | 14 | 15.1229728586378 |
| E1 | 23.3583012236356 | 24 | 24.6416987763644 |
| E2 | 20.0374518354533 | 21 | 21.9625481645467 |
| E3 | 22.3583012236356 | 23 | 23.6416987763644 |
| AM | 4.35830122363555 | 5 | 5.64169877636445 |
