| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| Reading | 74 | 86 | 92 | 99 | 114 |
| Maths | 71 | 82 | 91 | 97.5 | 112 |
| Written-Language | 69 | 86 | 90 | 99.5 | 113 |
| Boxplot Means | |||
| Variable | trimmed mean | unbiased SD | |
| Reading | 93.09 | 10.45 | |
| Maths | 90.72 | 11.14 | |
| Written-Language | 91.53 | 10.4 | |
