Histogram

Table 2. Grouped Frequency Distribution (i = 7)

Class Interval	Exact Limits	Midpoint	f	cf
96 - 102	95.5 - 102.5	99	6	100
89 - 95	88.5 - 95.5	92	9	94
82 - 88	81.5 - 88.5	85	11	85
75 - 81	74.5 - 81.5	78	23	74
68 - 74	67.5 - 74.5	71	19	51
61 - 67	60.5 - 67.5	64	16	32
54 - 60	53.5 - 60.5	57	6	16
47 - 53	46.5 - 53.5	50	6	10
40 - 46	39.5 - 46.5	43	3	4
33 - 39	32.5 - 39.5	36	1	1