The William Lowell Putnam Mathematical Competition

Statistics on the 2009 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

111

1

65

29

45

126

35

208

18

966

109

2

62

31

43

128.5

34

211

17

992.5

100

3

61

36

42

134.5

33

217

15

997

98

4

60

44

41

142.5

32

236

14

1003.5

97

5

59

53.5

40

157

31

263.5

13

1018.5

90

6

58

60.5

39

171

30

311

12

1083

86

7.5

57

63.5

38

179.5

29

364

11

1180

80

9

56

66

37.9

186.5

28

395

10

1461

79

10.5

54

68

37.8

189.5

27

411

9

1765.5

75

12

53

69.5

37.7

191.5

26

418.5

8

1868

74

13

52

75

37.6

193.5

25

423.5

6

1906

73

14.5

51

80.5

37.5

195.5

24

431

4

1913.5

72

17.5

50

89.5

37.4

197.5

23

441

3

1925.5

71

21.5

49

102.5

37.3

199

22

478.5

2

2027.5

70

24.5

48

113.5

37.2

200

21

543

1

2198

69

26.5

47

121.5

37

202

20

707

0

3154

68

28

46

124.5

36

205

19

892

 

 

This table shows how many of the top 200 contestants received each possible score on each problem.

 

A1

A2

A3

A4

A5

A6

B1

B2

B3

B4

B5

B6

Total

10

193

84

81

49

26

5

142

62

105

56

7

2

812

9

4

22

6

27

5

2

33

3

22

13

4

0

141

8

2

24

6

23

1

1

15

0

9

3

3

3

90

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

6

6

6

6

0

3

63

6

1

1

1

99

1

0

8

2

11

6

0

2

13

4

7

6

0

59

0

1

40

39

54

70

53

5

49

26

59

84

47

527

blank

0

16

60

30

86

139

0

10

28

61

95

147

672

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