names	sex	age	weight	height
ALFRED	M	14	69	112
BARBARA	F	13	62	102
JAMES	M	12	57	83
JANE	F	12	59	84
JOHN	M	12	59	99
JUDY	F	14	64	90
LOUISE	F	12	56	77
MARY	F	15	66	112
RONALD	M	15	67	133
WILLIAM	M	15	66	112