| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| WJ7ARD | 84 | 86 | 88 | 90 | 94 |
| WJ7AMA | 82 | 88 | 91 | 93 | 97 |
| WJ7AWL | 84 | 88 | 92 | 96 | 102 |
| WJ7AKN | 86 | 89 | 92 | 95 | 98 |
| WJ7ASK | 85 | 87 | 90 | 93 | 97 |
| Boxplot Means | |||
| Variable | trimmed mean | unbiased SD | |
| WJ7ARD | 88.15 | 2.82 | |
| WJ7AMA | 91.07 | 3.93 | |
| WJ7AWL | 92.19 | 4.94 | |
| WJ7AKN | 91.74 | 3.54 | |
| WJ7ASK | 90.04 | 3.94 | |
