American Chemical Society
Division of Chemical Education
Composite Norms
Inorganic Chemistry Form 2002
Score	Percentile	Score	Percentile	Score	Percentile
60	100	39	91	18	8
59	100	38	89	17	6
58	100	37	87	16	4
57	100	36	85	15	2
56	100	35	82	14	1
55	100	34	78	13	1
54	99	33	74	12	1
53	99	32	71	11	0
52	99	31	66	10	0
51	98	30	61	9	0
50	98	29	56	8	0
49	98	28	49	7	0
48	98	27	44	6	0
47	97	26	41	5	0
46	97	25	37	4	0
45	96	24	31	3	0
44	95	23	27	2	0
43	94	22	24	1	0
42	94	21	21
41	94	20	15
40	93	19	10
Mean		28.38
Std deviation		8.10
Median		28.1
KR-21 rel		0.79
Std error/meas		3.75