American Chemical Society
Division of Chemical Education
Composite Norms
General Chemistry Exam 2005
Score	Percentile	Score	Percentile	Score	Percentile
70	100	46	80	22	13
69	100	45	79	21	10
68	100	44	76	20	8
67	100	43	74	19	6
66	100	42	72	18	5
65	100	41	69	17	4
64	100	40	67	16	2
63	99	39	64	15	2
62	99	38	61	14	1
61	99	37	58	13	1
60	98	36	54	12	0
59	98	35	51	11	0
58	97	34	48	10	0
57	96	33	45	9	0
56	95	32	42	8	0
55	94	31	39	7	0
54	93	30	35	6	0
53	91	29	32	5	0
52	90	28	29	4	0
51	89	27	26	3	0
50	87	26	24	2	0
49	86	25	21	1	0
48	84	24	18
47	82	23	15
Mean		35.45
Std deviation		11.51
Median		34.2
KR-21 rel		0.88
Std error/meas		3.98