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2003 - Contest Item Difficulty for the AMC 12 A & B
2003 Contest Item Difficulty
for the AMC 12 A & B
CONTEST 12A Item Difficulty
ITEM
A
B
C
D
E
OMITS
?
1
4.29
14.28
5.95
55.37
 *
4.03
16.06
0.02
2
0.31
90.21
 *
1.08
6.02
0.18
2.19
0.01
3
3.21
24.42
2.81
52.59
 *
2.07
14.87
0.02
4
56.36
 *
1.31
1.81
29.62
0.62
10.27
0.01
5
2.27
0.86
1.20
1.57
78.45
 *
15.64
0.01
6
11.81
19.28
37.32
 *
4.40
5.65
21.51
0.03
7
15.69
25.99
 *
8.35
16.46
2.97
30.53
0.02
8
8.49
3.74
2.60
2.10
74.00
 *
9.05
0.01
9
3.45
6.73
13.86
30.48
 *
1.82
43.65
0.01
10
4.31
8.63
4.10
34.19
 *
1.77
46.98
0.01
11
6.72
6.20
17.70
 *
4.06
7.96
57.35
0.01
12
1.08
2.39
5.20
4.22
64.27
 *
22.83
0.01
13
4.25
4.12
6.47
11.54
46.45
 *
27.16
0.02
14
7.08
4.13
4.32
48.40
 *
9.69
26.37
0.01
15
3.13
2.90
10.20
 *
1.63
3.24
78.90
0.01
16
5.77
4.64
38.49
 *
3.68
9.14
38.27
0.01
17
6.57
10.33
 *
3.33
6.64
2.19
70.93
0.01
18
1.45
4.89
 *
2.16
1.75
2.27
87.47
0.01
19
5.75
5.36
9.74
11.83
 *
4.61
62.72
0.01
20
4.63
 *
2.83
6.10
11.53
1.68
73.21
0.01
21
8.07
3.54
2.36
7.37
 *
13.45
65.20
0.02
22
5.48
4.97
3.53
 *
6.04
2.03
77.94
0.01
23
2.19
4.17
 *
2.52
1.87
2.01
87.22
0.01
24
1.47
17.01
 *
7.81
1.69
1.96
70.05
0.01
25
5.16
3.60
1.67
 *
0.85
15.81
72.91
0.01
(*) Correct Response
(?) Response the computer was unable to read due to incomplete erasures or two answers marked in the same column
ITEM
A
B
C
D
E
OMITS
?
1
0.17
0.71
98.00
 *
0.53
0.17
0.42
0.00
2
0.35
0.61
11.60
83.47
 *
2.02
1.94
0.01
3
89.49
 *
1.81
1.76
0.41
1.45
5.06
0.02
4
3.03
2.98
51.81
 *
7.77
10.28
24.11
0.02
5
6.83
10.11
2.07
65.01
 *
3.75
12.22
0.01
6
1.36
33.07
 *
2.79
6.45
2.29
54.03
0.01
7
3.47
2.37
4.08
19.30
 *
41.82
28.94
0.02
8
25.75
6.50
3.25
10.69
28.21
 *
25.58
0.01
9
0.70
2.62
19.63
56.79
 *
1.22
19.04
0.00
10
4.13
35.47
 *
7.47
5.63
10.70
36.57
0.02
11
13.50
33.94
22.93
 *
5.06
4.51
20.05
0.01
12
2.64
10.25
2.33
26.78
 *
19.30
38.67
0.02
13
3.08
21.97
 *
7.15
3.24
1.48
63.07
0.01
14
1.91
3.60
4.34
33.16
 *
11.06
45.92
0.01
15
3.37
3.43
8.58
17.67
 *
5.50
61.45
0.01
16
2.87
3.23
4.04
5.01
11.33
 *
73.52
0.01
17
0.92
3.02
3.93
22.89
 *
15.10
54.13
0.01
18
1.37
4.16
 *
2.43
1.45
0.90
89.70
0.01
19
9.61
12.04
1.90
1.50
8.37
 *
66.57
0.01
20
3.78
19.10
 *
4.76
7.02
1.38
63.95
0.01
21
3.12
2.70
3.41
14.71
 *
3.79
72.27
0.01
22
2.66
2.99
3.12
 *
2.33
6.31
82.59
0.01
23
5.22
 *
2.64
2.83
1.72
1.53
86.06
0.01
24
2.77
4.51
4.11
 *
2.22
0.91
85.48
0.01
25
6.61
2.95
3.97
3.83
 *
4.50
78.14
0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete erasures or two answers marked in the same column

This AMC Web Page was last updated on 4/16/2003