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1999 AMC 8 General Statistics

1999 AMC 8 General Statistics
Number of reports received
203,963
Number of early administrations
420
National Average
10.53
Number of Female Participants
99,244
Number of Male Participants
101,679
Average score of Female Participants
10.11
Average score of Male Participants
10.93
Grade Level Average
4 & 5
1,082
7.11
6
16,714
8.46
7
73,692
9.77
8
110,663
11.39

Table of Problem Difficulty for the 1999
American Mathematics Competition 8
Tabulation of responses by 203,963 Students
Percent of Responses
PROBLEM
A
B
C
D
E
OMITS
?
1
*80.22
1.25
1.74
4.57
11.93
0.28
 0.01
2
18.41
17.72
*45.79
14.36
3.12
0.59
 0.02
3
8.83
4.38
5.34
*64.72
15.72
0.93
 0.07
4
*92.30
1.82
2.26
2.13
1.22
0.25
 0.03
5
15.26
19.14
10.49
*34.76
18.20
2.10
 0.05
6
2.03
2.60
4.10
4.31
*86.55
0.32
 0.09
7
27.60
6.98
9.99
33.91
*20.30
1.18
 0.04
8
 *65.39
8.48
4.64
12.18
8.54
0.73
 0.05
9
2.04
9.55
 *54.17
20.20
13.55
0.44
 0.05
10
5.56
15.94
24.78
5.96
*46.73
0.96
 0.07
11
5.62
35.16
6.11
*35.64
16.07
1.34
 0.05
12
13.24
*44.16
28.88
6.42
5.98
1.26
 0.05
13
32.22
14.79
*28.13
10.44
10.78
3.57
 0.08
14
9.51
27.40
26.24
*25.65
9.31
1.18
 0.08
15
19.32
13.43
19.37
*23.36
20.57
3.88
 0.08
16
8.62
*44.75
18.06
13.43
11.32
3.77
 0.06
17
9.98
13.53
*42.22
13.77
17.87
2.49
 0.14
18
36.80
12.53
9.76
9.89
*27.12
3.78
 0.13
19
13.15
*35.91
14.03
14.40
17.51
4.89
 0.11
20
10.01
*40.59
12.69
25.01
6.17
5.46
 0.07
21
13.51
*24.66
19.02
22.23
14.04
6.40
 0.13
22
14.63
14.36
21.12
*32.34
9.77
7.64
 0.13
23
16.85
34.80
*17.98
9.27
10.89
10.04
 0.17
24
17.25
14.57
15.10
*21.10
21.85
10.01
 0.12
25
 *18.36
14.40
20.60
18.06
17.21
11.31
 0.06
( * ) Correct Response
( ? ) Response the computer was unable to read due to incomplete erasures or two answers marked in the same column
SCORE
MALE
FEMALE
TOTAL*
CUMU-LATIVE
4th/5th GRADE
6th GRADE
7th GRADE
8th GRADE
25
 135 40 177 177 0 2 32 143
24
 308 100 412 589 1 5 71 332
23
 502 181 695 1,284 1 10 107 573
22
 672 251 939 2,223 3 15 156 751
21
 988 471 1,484 3,707 4 19 288 1,162
20
 1,366 715 2,111 5,818 1 47 437 1,615
19
 1,747 1,020 2,801 8,619 1 49 565 2,165
18
 2,408 1,487 3,956 12,575 4 88 873 2,958
17
 3,190 2,121 5,390 17,965 3 121 1,277 3,941
16
 3,869 2,989 6,978 24,943 9 183 1,781 4,940
15
 4,964 3,886 8,985 33,928 9 290 2,531 6,092
14
 5,903 5,036 11,126 45,054 12 440 3,211 7,369
13
 6,879 6,269 13,361 58,415 17 641 4,350 8,247
12
 7,994 7,677 15,902 74,317 30 820 5,492 9,411
11
 9,153 9,087 18,512 92,829 42 1,221 6,663 10,414
10
 9,748 10,245 20,311 113,140 50 1,569 7,788 10,729
9
 9,987 10,838 21,128 134,268 103 1,919 8,369 10,536
8
 9,488 10,443 20,223 154,491 121 2,199 8,349 9,373
7
 8,059 9,352 17,668 172,159 154 2,170 7,502 7,692
6
 6,178 7,312 13,695 185,854 161 1,924 5,965 5,523
5
 4,160 4,986 9,253 195,107 147 1,421 4,061 3,541
4
 2,344 2,771 5,188 200,295 109 899 2,255 1,873
3
 1,065 1,270 2,365 202,660 49 453 1,036 804
2
 332 446 792 203,452 40 133 331 281
1
 94 105 201 203,653 6 46 81 65
0
 11 10 22 203,675 5 30 130 133
-1
 135 136 288 203,963 0 0 0 0
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