| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| Reading | 74 | 88 | 92 | 98 | 113 |
| Maths | 71 | 82 | 91 | 96 | 112 |
| VerbalAbility | 75 | 86 | 90 | 96 | 108 |
| Knowledge | 67 | 84 | 90 | 96 | 110 |
| CognitiveAbility | 73 | 83 | 90 | 95 | 107 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| Reading | 90.36 | 92 | 93.64 |
| Maths | 88.71 | 91 | 93.29 |
| VerbalAbility | 88.36 | 90 | 91.64 |
| Knowledge | 88.03 | 90 | 91.97 |
| CognitiveAbility | 88.03 | 90 | 91.97 |
| Boxplot Means | |||
| Variable | trimmed mean | unbiased SD | |
| Reading | 92.68 | 8.6 | |
| Maths | 90.35 | 9.38 | |
| VerbalAbility | 91.45 | 7.97 | |
| Knowledge | 90.36 | 9.98 | |
| CognitiveAbility | 89.39 | 7.9 | |
