Boxplot statistics
Variable	lower whisker	lower hinge	median	upper hinge	upper whisker
Cognitive	71	84	91	98.5	114
Verbal	69	85.5	90.5	98.5	113
Reading	67	84	90.5	98	113
Maths	67	83	89.5	96	111
Knowledge	73	84.5	91	98	114

Boxplot Means
Variable	trimmed mean	unbiased SD
Cognitive	92.21	11.33
Verbal	90.98	10.73
Reading	91.02	11.24
Maths	89.86	9.78
Knowledge	91.36	10.2