The William Lowell Putnam Mathematical Competition

Statistics on the 2008 Competition

This table indicates, for each score achieved, the average rank of the participants receiving that score.

Score	Rank	Score	Rank	Score	Rank	Score	Rank	Score	Rank	Score	Rank
117	1	78	28.5	60	69	43	169.5	29	372.5	12	876.5
110	2	77	30	59	75	42	173.5	28	400.5	11	969.5
108	3	76	31	58	85	41	178	27	417.5	10	1196.5
102	4	75	32.5	57	92	40.9	183.5	26	425.5	9	1412
101	5	74	34	56	95	40.8	187.5	25	431	8	1482
99	6	73	35	55	97.5	40.7	189	24	435.5	6	1519
98	7	72	37	54	100	40	201.5	23	444.5	5	1521
97	8.5	71	39	53	104.5	39	225	22	473	4	1533.5
95	10.5	70	42.5	52	110	38	242.5	21	518.5	3	1561.5
93	12	69	47	51	115	37	252.5	20	619	2	1660.5
92	13.5	68	49.5	50	122.5	36	258.5	19	719	1	1829
87	15.5	67	51.5	49	133	35	262	18	762	0	2771.5
84	17	66	54	48	145.5	34	265	17	786
82	18.5	65	56	47	154	33	268.5	16	791
81	21	64	58	46	157.5	32	279	15	795
80	24	62	61.5	45	162.5	31	300	14	802
79	26.5	61	65.5	44	166.5	30	335.5	13	818

This table shows how many of the top 189 contestants received each possible score on each problem.

	A1	A2	A3	A4	A5	A6	B1	B2	B3	B4	B5	B6	Total
10	177	136	67	74	32	11	118	83	19	81	17	12	827
9	5	14	25	29	9	5	2	17	7	17	25	3	158
8	4	10	47	13	13	2	44	6	3	7	8	0	157
7	0	0	0	0	0	0	0	0	0	0	0	0	0
6	0	0	0	0	0	0	0	0	0	0	0	0	0
5	0	0	0	0	0	0	0	0	0	0	0	0	0
4	0	0	0	0	0	0	0	0	0	0	0	0	0
3	0	0	0	0	0	0	0	0	0	0	0	0	0
2	0	0	32	5	6	7	0	45	16	16	6	4	137
1	3	0	3	2	5	13	0	4	5	5	6	4	50
0	0	14	10	34	71	26	19	15	54	23	65	32	363
blank	0	15	5	32	53	125	6	19	85	40	62	134	576

Transcribed to HTML by Kiran S. Kedlaya (kedlaya[at]mit[dot]edu).