Height of men	frequency	class midpoint	class boundaries	relative frequency
55-59	1	57	54.5-59.5	1%
60-64	3	62	59.5-64.5	3%
65-69	49	67	64.5-69.5	49%
70-74	46	72	69.5-74.5	46%
75-79	1	77	74.5-79.5	1%