2006 AMC 8 Statistics

AMC 8

Number of schools returning results	2,235
Number of Participants	147,210
Number of Female Participants	68,145
Number of Male Participants	76,283
.
Average Top Score	18.08
Average School Team Score (sum of top 3 scores, 75 possible pts)	49.54
Overall average score	10.14
Average score of Female Participants	9.61
Average score of Male Participants	10.64
2006 AMC 8 Answers School Honor Roll Perfect Scores Grade Level Average Problem Difficulty Score Breakdown State Statistics Perfect Score - çŽ‹è”šæ¥ åŒå¦ Weinan Wang, 8th grade, Affiliated Middle School to Jilin University, Changchun City, China

Table of Problem Difficulty 2006 American Mathematics Competition 8 Responses by 147,210 Students, Percent of Responses
PROBLEM	A		B		C		D		E		OMITS	?
1	0.29		0.75		3.72		93.95	*	1.04		0.24	0.01
2	4.27		3.19		85.73	*	1.86		4		0.94	0.02
3	46.39	*	6.9		23.37		12.12		9.7		1.47	0.05
4	4.01		66.91	*	12.38		10.93		5.23		0.49	0.05
5	9.25		4.25		5.17		63.37	*	15.94		1.96	0.06
6	5.35		20.68		55.1	*	7.37		10.8		0.68	0.03
7	38.54		20.87	*	10.46		13.73		15.02		1.28	0.1
8	11.5		5.32		11.4		10.77		59.6	*	1.25	0.16
9	25.91		14.71		36.92	*	9.9		9.57		2.92	0.06
10	23.19	*	32.47		23.28		10.66		8.61		1.74	0.05
11	20.01		32.54		17.51	*	17.73		8.62		3.49	0.09
12	4.72		5.9		35.63		43.32	*	9.12		1.25	0.07
13	8.1		16.72		28.65		26.59	*	16.55		3.27	0.12
14	6.41		79.27	*	4.52		4.95		3.36		1.44	0.06
15	19.94		10.27		43.67	*	12.26		9.53		4.22	0.09
16	16.18		19.11		21.65		12.89		23.46	*	6.63	0.08
17	7.94		26.89	*	11.81		35.86		13.14		4.24	0.12
18	9.83		12.76		22.29		22.81	*	25.94		6.22	0.14
19	9.23		14		12.5		52.37	*	5.59		6.14	0.16
20	11.44		21.14		31.9	*	16.6		11.17		7.61	0.13
21	19.56	*	14.62		18.69		20.98		16.58		9.4	0.17
22	19.46		29.02		17.58		17.16	*	6.92		9.7	0.16
23	20.76	*	15.4		18.42		11.67		22.56		10.87	0.32
24	15.39	*	16.15		26.01		17.68		12.09		12.55	0.13
25	15.48		21.58	*	19.72		15.17		14.68		13.3	0.07
( * ) Correct Response ( ? ) Response the computer was unable to read due to incomplete erasures or two answers marked for the same problem

Breakdown of Scores
Male/Female			Score	Grade
Male	Female	Total*	Score	5	6	7	8
242	45	289	25	4	12	75	198
366	86	453	24	5	15	129	304
525	132	661	23	8	28	187	431
631	160	804	22	11	37	229	521
716	271	994	21	9	35	284	652
858	355	1,227	20	16	60	349	787
1107	469	1,599	19	9	62	464	1,033
1375	642	2,052	18	18	87	599	1,326
1812	867	2,725	17	20	117	711	1,840
2242	1347	3,656	16	20	172	1,044	2,370
2940	1862	4,874	15	31	240	1,382	3,153
3647	2689	6,447	14	41	343	1,846	4,134
4775	3664	8,615	13	46	555	2,526	5,363
6039	4963	11,211	12	73	834	3,449	6,704
6891	6395	13,547	11	84	1,194	4,275	7,796
7899	7679	15,879	10	126	1,604	5,347	8,562
8306	8303	16,925	9	190	2,019	5,734	8,721
7941	8288	16,567	8	193	2,263	5,935	7,929
6751	7348	14,390	7	248	2,247	5,150	6,537
4964	5614	10,772	6	216	1,962	3,887	4,542
3253	3637	7,038	5	200	1,376	2,533	2,811
1768	1990	3,826	4	148	822	1402	1,380
759	835	1,630	3	76	341	610	574
247	308	569	2	42	151	173	188
66	66	138	1	12	33	40	48
12	11	23	0(@)	3	6	7	7
151	119	299	0 ($)	4	24	112	127
	(*) (@) ( $ ) Note:	Total includes students who failed to mark their gender These students attempted some of the problems These students attempted none of the problems Some students failed to indicate a grade