| Boxplot statistics | |||||
| Variable | lower whisker | lower hinge | median | upper hinge | upper whisker |
| WJ7ARD | 68 | 82 | 88 | 96 | 112 |
| WJ7AMA | 72 | 82 | 91 | 97 | 110 |
| WJ7AKN | 69 | 84 | 92 | 98 | 109 |
| WJ10ARD | 79 | 86.5 | 91.5 | 101 | 113 |
| WJ10AMA | 72 | 84 | 90 | 99 | 111 |
| WJ10AKN | 75 | 84 | 91 | 97 | 107 |
| Boxplot Notches | |||
| Variable | lower bound | median | upper bound |
| WJ7ARD | 86.16 | 88 | 89.84 |
| WJ7AMA | 89.03 | 91 | 92.97 |
| WJ7AKN | 90.16 | 92 | 93.84 |
| WJ10ARD | 89.16 | 91.5 | 93.84 |
| WJ10AMA | 87.58 | 90 | 92.42 |
| WJ10AKN | 88.89 | 91 | 93.11 |
| Boxplot Means | |||
| Variable | trimmed mean | unbiased SD | |
| WJ7ARD | 88.63 | 9.36 | |
| WJ7AMA | 90.06 | 10.47 | |
| WJ7AKN | 91.6 | 9.37 | |
| WJ10ARD | 92.97 | 8.79 | |
| WJ10AMA | 92.25 | 10.28 | |
| WJ10AKN | 91.1 | 8.16 | |
