American Mathematics Competitions
                   2008 AMC 10 A Results for North Carolina             
                          GRAND STATISTICS  

      TOTAL NUMBER of official students taking exam:   1457

      Number of unofficial participants:          0

      Average score of participants:           55.6

      Average score for female students  is:   51.1  (   574 Students)
      Average score for male students is:      58.9  (   725 Students)
      Average score for unspecified gender is  56.7  (   158 Students)
      Average score for grade 10 is:           55.7  (   570 Students)
      Average score for grade 9 is:            53.7  (   486 Students)
      Average score for grade 8 and below is:  57.4  (   310 Students)
      Average score with unknown grade:        59.6  (    91 Students)

        AIME qualifying score =  117.0 or better
        Number of AIME qualifers                 17

        Number of schools returning results      65
        Average school winning score           91.48


                   American Mathematics Competitions
                   2008 AMC 12 A Results for North Carolina             
                          GRAND STATISTICS  

      TOTAL NUMBER of official students taking exam:   1805

      Number of unofficial participants:          0

      Average score of participants:           64.8

      Average score for female students  is:   60.3  (   735 Students)
      Average score for male students is:      68.4  (   869 Students)
      Average score for unspecified gender is  65.9  (   201 Students)
      Average score for grade 13 is:           48.0  (     1 Student) 
      Average score for grade 12 is:           66.2  (   787 Students)
      Average score for grade 11 is:           63.6  (   849 Students)
      Average score for grade 10 is:           63.3  (    82 Students)
      Average score for grade 9 is:            67.5  (    20 Students)
      Average score for grade 8 and below is:  65.2  (    11 Students)
      Average score with unknown grade:        65.1  (    55 Students)

        AIME qualifying score =   97.5 or better
        Number of AIME qualifers                 76

        Number of schools returning results      59
        Average school winning score           94.19
        Average school team score             255.41
 


                   American Mathematics Competitions
                   2008 AMC 10 B Results for North Carolina             
                          GRAND STATISTICS  

      TOTAL NUMBER of official students taking exam:    598

      Number of unofficial participants:          9

      Average score of participants:           67.5

      Average score for female students  is:   64.5  (   237 Students)
      Average score for male students is:      70.8  (   315 Students)
      Average score for unspecified gender is  60.2  (    46 Students)
      Average score for grade 10 is:           68.0  (   240 Students)
      Average score for grade 9 is:            67.2  (   246 Students)
      Average score for grade 8 and below is:  68.8  (    97 Students)
      Average score with unknown grade:        56.3  (    15 Students)

        AIME qualifying score =  120.0 or better
        Number of AIME qualifers                  9

        Number of schools returning results      28
        Average school winning score           96.43


                   American Mathematics Competitions
                   2008 AMC 12 B Results for North Carolina             
                          GRAND STATISTICS  

      TOTAL NUMBER of official students taking exam:    584

      Number of unofficial participants:         16

      Average score of participants:           72.2

      Average score for female students  is:   68.0  (   229 Students)
      Average score for male students is:      75.2  (   315 Students)
      Average score for unspecified gender is  73.3  (    40 Students)
      Average score for grade 12 is:           73.0  (   223 Students)
      Average score for grade 11 is:           70.6  (   254 Students)
      Average score for grade 10 is:           74.7  (    71 Students)
      Average score for grade 9 is:            87.5  (     6 Students)
      Average score for grade 8 and below is:  69.2  (    18 Students)
      Average score with unknown grade:        74.8  (    12 Students)

        AIME qualifying score =   97.5 or better
        Number of AIME qualifers                 31

        Number of schools returning results      36
        Average school winning score           91.96
        Average school team score             244.33
 


    2008 State AMC 12  TEAM Score Distribution
    -----------------------------------------------
    score         A         B       Rank
    -----------------------------------------------
    378.0         1                   1
    373.5         1                   2
    370.5                   1         3
    352.5         1                   4
    327.0         1                   5
    319.5                   1         6
    318.0                   1         7
    316.5                   1         8
    315.0         2                   9
    310.5         1                  11
    304.5                   1        12
    300.0         2                  13
    292.5         3                  15
    289.5         1                  18
    288.0         1         2        19
    285.0         1         1        22
    282.0         1                  24
    280.5                   1        25
    279.0         2                  26
    277.5         1         1        28
    276.0         2                  30
    274.5         2                  32
    273.0                   2        34
    271.5         1                  36
    270.0         1         1        37
    268.5                   1        39
    267.0         2         1        40
    262.5         2         2        43
    258.0         1                  47
    256.5         2         1        48
    250.5                   1        51
    249.0         1                  52
    246.0         2         1        53
    244.5         2                  56
    243.0         2                  58
    241.5         1                  60
    240.0         1         1        61
    235.5         1                  63
    234.0         1                  64
    232.5         1                  65
    231.0                   2        66
    229.5                   2        68
    228.0         1         1        70
    226.5         1         1        72
    225.0         2                  74
    223.5         1                  76
    220.5         1         1        77
    217.5         1                  79
    216.0                   1        80
    214.5                   1        81
    211.5                   1        82
    207.0                   1        83
    205.5         1                  84
    201.0                   1        85
    192.0         1                  86
    181.5         1                  87
    163.5         1                  88
    162.0         1                  89
    159.0         1                  90
    154.5         1                  91
    127.5                   1        92
     84.0         1                  93
 


         2008 AMC Contest Score Distributions
    -----------------------------------------------
    score      12 A      12 B      10 A      10 B
    -----------------------------------------------
    150.0                             1
    144.0                             1         1
    138.0         2         1         4
    133.5                             1
    132.0         1                             1
    130.5         1
    129.0                             1
    127.5         2         1         2
    126.0         1                             4
    124.5         1                   2
    123.0                   1         1         1
    121.5         1                   1         1
    120.0         1                   2         1
    118.5         1                   1
    117.0                   1                   1
    115.5         1                   1         4
    114.0         2         1                   1
    112.5         1                             1
    111.0         1         1         1
    109.5         3         2         3         2
    108.0         4         2         3         5
    106.5         3         2                   2
    105.0         3         4         6         6
    103.5         7         3         2         4
    102.0         2                   4         2
    100.5        15         7         1         4
     99.0        12         3         4         5
     97.5        11         2         8         1
     96.0         8         3         8         3
     94.5        17        12         2         6
     93.0        12         6         4         4
     91.5        22        12        10         6
     90.0        14        14        10         7
     88.5        21         8         9         8
     87.0        26        11        10         6
     85.5        28        13        15         6
     84.0        31         8        10        15
     82.5        34        20         9         8
     81.0        44        24        16        12
     79.5        37        16        15        17
     78.0        42        26        15        11
     76.5        48        21        21        13
     75.0        41        25        15        19
     73.5        48        21        19        15
     72.0        54        30        18        23
     70.5        61        39        28        11
     69.0        65        24        29        18
     67.5        43        20        33        22
     66.0        72        20        39        21
     64.5        66        22        23        18
     63.0        55        12        31        23
     61.5        67        19        36        26
     60.0        76        22        55        29
     58.5        66        14        46        23
     57.0        51         8        46        19
     55.5        56         6        33        19
     54.0        57        16        66        12
     52.5        56         9        52        20
     51.0        39         6        56        11
     49.5        47         8        53         9
     48.0        55         7        47        18
     46.5        45         4        43        12
     45.0        27         9        49        13
     43.5        33         3        43         6
     42.0        37         4        56         7
     40.5        18         2        46         2
     39.0        20         1        46         2
     37.5        16         2        37         4
     36.0        18         4        37        11
     34.5         8         1        34         1
     33.0         8                  26         3
     31.5         7                  20         4
     30.0         7                  25         4
     28.5         6                   9
     27.0         2                   7
     25.5         2         1        13         2
     24.0         3                  14
     22.5         3                   4
     21.0                             4         1
     19.5         1                   2
     18.0         6                   8         1
     16.5                             1
     13.5                             1
     12.0         2                   2
      6.0                             1
                  1



                   American Mathematics Competitions
                   2008 AMC 10 A Results for North Carolina             
                         SCORE DISTRIBUTION 

    score ----gender-----------   -----------grade-----------------
            male   female    ?    <=6      7      8      9     10      ?
    ----------------------------------------------------------------------------------------
    150.0      1                           1
    144.0             1                                  1
    138.0      4                           1      1             1      1
    133.5      1                                                       1
    129.0      1                                         1
    127.5      1      1                                  2
    124.5      1      1                           1      1
    123.0      1                                  1
    121.5      1                                         1
    120.0      2                                         1      1
    118.5             1                                  1
    115.5      1                                                1
    111.0      1                                                1
    109.5      3                                                3
    108.0      1      1                           2                    1
    105.0      4      1                    3                    3
    103.5      2                                  1             1
    102.0      3      1                           1      3
    100.5      1                           1
     99.0      3      1                           2             2
     97.5      4      2                    1      1      2      3      1
     96.0      5      3                    1      1      2      4
     94.5      1      1                                         2
     93.0      3      1                                  2      1      1
     91.5      7      1                           1      1      6      2
     90.0      9      1                    1             3      6
     88.5      5      3             1             2      4      2
     87.0      4      4                           3      4      2      1
     85.5      7      6                           4      4      7
     84.0      5      5                    1             2      7
     82.5      6      2                    1      1      3      3      1
     81.0      8      5                           2      2      9      3
     79.5      6      5                           3      4      5      3
     78.0     11      3                    1      2      5      6      1
     76.5     14      6             1             3      8      9
     75.0      8      4                    2      2      5      5      1
     73.5     11      6                           5      6      6      2
     72.0      9      8                           3      6      8      1
     70.5     17      7                    1      4      7     14      2
     69.0     20      7                           3      7     18      1
     67.5     21      7                    4      6      6     13      4
     66.0     24      9                    1      9     13     11      5
     64.5     14      6                           8      7      8
     63.0     20      9                    1      6     11     12      1
     61.5     18     16             2             5     13     15      1
     60.0     29     20             1      4     10     13     23      4
     58.5     19     18                    2      2     17     18      7
     57.0     26     13             1      7      4     12     21      1
     55.5     16      9                    1      7     13      6      6
     54.0     35     23             1      4     13     24     21      3
     52.5     26     20                    3      9     22     15      3
     51.0     25     26                    3      5     23     21      4
     49.5     23     24             1      7      8     15     20      2
     48.0     22     20                    3      7     18     16      3
     46.5     22     18             1      4      3     14     21
     45.0     22     18             1             5     14     22      7
     43.5     18     22                    3      8     17     15
     42.0     28     24             1      3      9     20     21      2
     40.5     17     24             1      5      3     18     17      2
     39.0     16     26                    1      8     12     23      2
     37.5     12     20             1      1      5     11     16      3
     36.0     17     16                    2      7     16     12
     34.5     11     22             1      2      4     13     13      1
     33.0     10     16                    2      2     14      7      1
     31.5      5     11                           1      9      9      1
     30.0      8     16             1             2      5     15      2
     28.5      4      4                    1             5      2      1
     27.0      5      2             1             1      2      3
     25.5      4      8                    1      2      4      5      1
     24.0      5      7                           2      7      4      1
     22.5      2      2                                  3      1
     21.0      1      3                           1      1      2
     19.5      2                                         1      1
     18.0      4      4                    1      1      3      3
     16.5             1                                  1
     13.5             1                           1
     12.0      1      1                                         2
      6.0      1                                         1



                   American Mathematics Competitions
                   2008 AMC 10 A Results for North Carolina             
                              Analysis      


                   Table of Item Difficulty for the 2008
              American High School Mathematics Examination
           Tabulation of responses for all Participants
                             Percent of Responses


    ITEM    A         B         C         D         E       OMITS       ?
    ____  _____     _____     _____     _____     _____     _____     _____

      1    1.44      0.75      7.21     85.72*     3.98      0.89      0.00
      2   47.15*    21.21     23.75      1.44      0.82      5.63      0.00
      3   69.32*     4.12      3.50      1.58      3.23     18.26      0.00
      4    3.43      7.69     52.78*    11.81      5.35     18.94      0.00
      5    7.07     30.13*     5.08      5.56      4.12     48.04      0.00
      6    2.33      2.75      3.91     17.84*    45.64     27.52      0.00
      7   48.39      3.71      5.49      2.68     12.29*    27.45      0.00
      8   43.86*     7.28      2.95     22.72      2.68     20.45      0.07
      9    3.23     26.56*    15.65     30.89      7.62     15.99      0.07
     10    1.58     43.10      7.28      1.10     36.44*    10.36      0.14
     11    4.12      3.57      6.18     63.01*    10.30     12.77      0.07
     12    9.88      4.94     33.42*    11.12      4.67     35.96      0.00
     13   14.34     29.24      9.33     26.29*     2.06     18.74      0.00
     14    4.74      6.79      7.69     16.20*     5.08     59.51      0.00
     15    3.23      2.81     26.97     25.26*     6.38     35.35      0.00
     16    3.84     11.39*     6.86     17.57      7.34     52.99      0.00
     17    6.18      7.28*     6.52      5.08      4.80     70.14      0.00
     18    3.77      6.11*     5.42      4.26      2.95     77.49      0.00
     19    4.39      5.56      8.10*     4.80      4.39     72.75      0.00
     20    3.02      5.28     14.69      6.45*     3.29     67.26      0.00
     21   13.11*    22.24      4.60      4.05      2.81     53.19      0.00
     22    7.41      4.80     20.93     22.99*     7.96     35.90      0.00
     23   11.19      5.56*     6.93      5.70      1.99     68.63      0.00
     24    9.27      7.21      8.58      6.73*    10.57     57.65      0.00
     25    2.33      6.45      5.90*     4.46      5.15     75.70      0.00


   (*)  Correct Response

   (?)  Response the computer was unable to read due to incomplete
        erasures or two answers marked in the same column




                   American Mathematics Competitions
                   2008 AMC 12 A Results for North Carolina             
                         SCORE DISTRIBUTION 

    score ----gender-----------   -----------grade-----------------
            male   female    ?    <=6      7      8      9     10     11     12     13      ?
    ----------------------------------------------------------------------------------------
    138.0      2                                                       1      1
    132.0             1                                                       1
    130.5      1                                                              1
    127.5      1      1                                         1      1
    126.0      1                                                              1
    124.5                                                                     1
    121.5      1                                                       1
    120.0      1                                                              1
    118.5      1                                                              1
    115.5      1                                                              1
    114.0      2                                                              2
    112.5      1                                                              1
    111.0      1                                         1
    109.5      2      1                                  1             2
    108.0      3                                                       2      2
    106.5      2      1                                                2      1
    105.0      1      1                                         1             1             1
    103.5      4                                  1                    4      2
    102.0      1      1                                                1      1
    100.5     12      2                                                6      8             1
     99.0      8      2                                                8      3             1
     97.5      8      1                                                5      6
     96.0      6      2                                                6      2
     94.5     10      4                                                4     13
     93.0      7      2                                                1     10             1
     91.5     12      4                                         1      8     11             2
     90.0      9      5                                                6      8
     88.5     10      8                                                8     11             2
     87.0     19      4                                  2      2      7     15
     85.5     17      6                                  1      2     14     10             1
     84.0     22      6                                  1      1     12     16             1
     82.5     20     13                                         2     18     14
     81.0     25     14                           1      1            16     24             2
     79.5     18     14                                  1            24     10             2
     78.0     25     13                                         3     16     23
     76.5     32     12                                         2     21     25
     75.0     22     15                                         2     15     24
     73.5     22     16                                         1     27     14             6
     72.0     28     23                                         3     24     26             1
     70.5     33     22                                         4     26     30             1
     69.0     36     22                           1      1      4     34     24             1
     67.5     27     11                    1             1      3     24     13             1
     66.0     31     34                                         5     30     35             2
     64.5     29     29                           1             1     36     25             3
     63.0     27     21                    1                    4     28     20             2
     61.5     32     28                                         2     31     33             1
     60.0     34     31                                         4     39     29             4
     58.5     29     29                    1             1      5     30     26             3
     57.0     23     22                                  2      3     26     19             1
     55.5     22     29                    1      1             2     25     25             2
     54.0     27     27                    1                    3     28     24             1
     52.5     21     25                                  1      3     27     23             2
     51.0     11     25                                  1            18     20
     49.5     17     27                                         2     28     16             1
     48.0     21     28                                         2     27     24      1      1
     46.5     10     34                                  2      5     14     24
     45.0     12     13             1                           1     14     10             1
     43.5      9     21                                         2     18     13
     42.0     14     23                                  1      1     18     17
     40.5      7     10                                         1      9      7             1
     39.0      6      8                                  2      1      7      8             2
     37.5      6      9                                               10      6
     36.0      8      8                                         2     10      6
     34.5      1      5                                                5      2             1
     33.0      5      3                                         1      5      2
     31.5      1      5                                                3      4
     30.0      4      2                                                3      4
     28.5      2      2                                                5      1
     27.0      1      1                                                2
     25.5             2                                                1      1
     24.0      1      1                                                1      1             1
     22.5      1      2                                                2      1
     19.5                                                                                   1
     18.0      1      3                                                2      3             1
     12.0      1      1                                                2
               1                                                       1



                   American Mathematics Competitions
                   2008 AMC 12 A Results for North Carolina             
                              Analysis      


                   Table of Item Difficulty for the 2008
              American High School Mathematics Examination
           Tabulation of responses for all Participants
                             Percent of Responses


    ITEM    A         B         C         D         E       OMITS       ?
    ____  _____     _____     _____     _____     _____     _____     _____

      1    0.89      0.44      6.32     89.47*     2.33      0.50      0.06
      2   91.69*     3.32      0.94      0.55      2.94      0.44      0.11
      3    2.71      4.16     72.13*     8.09      3.21      9.64      0.06
      4    6.09     49.64*     5.32      6.09      3.32     29.36      0.17
      5    0.89     41.66*    11.19     32.58      6.09      7.42      0.17
      6   53.85*     6.15      2.27     27.70      2.44      7.48      0.11
      7    3.16      3.27      4.38     73.35*     7.48      8.31      0.06
      8    4.99      6.15     63.43*     3.60     10.64     11.08      0.11
      9    3.99      9.47      5.48     36.07*     4.43     40.50      0.06
     10   10.75     27.87      9.97     38.78*     1.44     11.02      0.17
     11    5.26      5.43     63.16*     5.60      3.77     16.73      0.06
     12   13.74     31.63*     7.37      8.81      7.15     31.19      0.11
     13    5.21     21.33*     8.48     17.17      7.98     39.78      0.06
     14    9.31*     5.15      3.66      5.37      2.99     73.41      0.11
     15   10.75     10.75     11.08      9.14*    11.30     46.93      0.06
     16    2.99      6.26      5.82      7.87*     2.44     74.52      0.11
     17    2.44      5.60      5.93      6.98*     6.59     72.35      0.11
     18    2.71      3.16      8.03*     2.55      6.26     77.12      0.17
     19    2.33      7.48      8.42*     4.16      2.27     75.18      0.17
     20    1.94      3.82      3.93      3.27      4.82*    82.05      0.17
     21    6.04      4.82      6.70      7.20*     3.32     71.86      0.06
     22    3.21      6.32      6.59*     6.65      5.10     72.02      0.11
     23    2.16      3.88      3.16      3.38*     1.94     85.43      0.06
     24    2.71     12.30      9.14      3.16*     5.71     66.87      0.11
     25    2.33      4.21      4.21      6.43*     3.66     79.17      0.00


   (*)  Correct Response

   (?)  Response the computer was unable to read due to incomplete
        erasures or two answers marked in the same column




                   American Mathematics Competitions
                   2008 AMC 10 B Results for North Carolina             
                         SCORE DISTRIBUTION 

    score ----gender-----------   -----------grade-----------------
            male   female    ?    <=6      7      8      9     10      ?
    ----------------------------------------------------------------------------------------
    144.0      1                                         1
    132.0      1                                         1
    126.0      3      1                    1      1      2
    123.0      1                                                1
    121.5      1                                                1
    120.0      1                                                1
    117.0      1                                                1
    115.5      2      2             1             1      2
    114.0      1                                  1
    112.5      1                                                1
    109.5      1      1                                  2
    108.0      4      1                           1      3      1
    106.5             1                                         1      1
    105.0      4      2                           1      1      4
    103.5      3      1                                  2      2
    102.0      1      1                                         2
    100.5      3      1                    1             1      2
     99.0      2      3             1             1      1      2
     97.5      1                                                1
     96.0             2                                  1      1      1
     94.5      4      2                                  4      2
     93.0      3      1                           1             3
     91.5      4      2                                  1      5
     90.0      4      2                                  5      2
     88.5      6      2                    1             4      3
     87.0      4      1                           3             3
     85.5      4      2                                  1      5
     84.0     11      4                           2      4      9
     82.5      4      3                    1      1      4      2
     81.0     10      2                    1             6      5
     79.5      9      4             1      2      1      5      8
     78.0      7      4                           2      5      4
     76.5      4      9             1             1      6      5
     75.0     12      6                    3      2      7      7
     73.5      8      6                    1      2      5      7
     72.0     16      7                    1      1     12      8      1
     70.5      5      5                    1      1      4      5
     69.0      9      8             1             1     12      4
     67.5     10      9                    2      1     11      8
     66.0     10     10                           3     11      7
     64.5     10      8                           3      9      6
     63.0      9     13                    2      2      9     10
     61.5     11     13                           1     12     12      1
     60.0     18      9                           6     16      6      1
     58.5     12      9                    1      2      7     13
     57.0     12      4                    1      3      7      6      2
     55.5     12      6                    1      4      7      7
     54.0      6      5                    1      3      4      4
     52.5     11      8                           4     12      4
     51.0      2      7             1             4      1      3      2
     49.5      6      3                           3      1      5
     48.0      6     10                           2      5     11
     46.5      5      5                           2      6      4
     45.0      3      8                           1      6      5      1
     43.5      1      3                                  1      3      2
     42.0      3      3                                  4      3
     40.5      1      1                                  1      1
     39.0             2                                  2
     37.5      2      1                                  2      1      1
     36.0      4      6                                  6      5
     34.5      1                                                1
     33.0      1      1                                  1      1      1
     31.5      1      3                           1      2      1
     30.0             2                                         3      1
     25.5             2                                  1      1
     21.0      1                           1
     18.0      1                                                1



                   American Mathematics Competitions
                   2008 AMC 10 B Results for North Carolina             
                              Analysis      


                   Table of Item Difficulty for the 2008
              American High School Mathematics Examination
           Tabulation of responses for all Participants
                             Percent of Responses


    ITEM    A         B         C         D         E       OMITS       ?
    ____  _____     _____     _____     _____     _____     _____     _____

      1    0.84      0.33      2.34     10.20     84.11*     2.17      0.00
      2    6.52     81.94*     6.86      1.34      0.50      2.84      0.00
      3   18.90      3.51      3.68     37.12*     7.02     29.77      0.00
      4    8.70      8.03     74.75*     1.17      0.33      6.86      0.17
      5   54.35*     6.19      1.67      2.51      3.34     31.94      0.00
      6    3.85      2.68     47.99*    11.54      5.69     28.26      0.00
      7    3.18      6.52     68.56*     8.36      2.51     10.87      0.00
      8    2.01      5.18     65.89*     6.52      6.35     14.05      0.00
      9   20.90*     4.35      4.52      8.19      5.85     56.19      0.00
     10   23.24*     5.85      3.68      4.01      4.85     58.36      0.00
     11    2.01     12.71*     4.18      9.03      4.68     67.39      0.00
     12   77.09*     4.85      3.01      1.00      3.68     10.37      0.00
     13   19.40     12.71*     8.70      2.68      4.85     51.67      0.00
     14   15.89     34.11*     2.68      4.35      2.84     40.13      0.00
     15   15.05*     7.36      5.02      6.35      3.68     62.54      0.00
     16   31.44*    19.90      3.34      6.86      3.51     34.95      0.00
     17   18.90      9.03*    24.75     11.54      7.86     27.93      0.00
     18    4.52     22.41*    11.04      5.18      2.17     54.52      0.17
     19    4.18      2.17      7.69      9.20      7.19*    69.57      0.00
     20    5.85     44.65*     9.20      5.35      3.01     31.94      0.00
     21    8.03      7.69      4.85*     8.19      3.51     67.73      0.00
     22   12.88      6.02     21.91*     9.87      8.03     41.30      0.00
     23   12.21      6.02*     5.18      4.52      1.84     70.07      0.17
     24    6.86      6.86      9.70*    10.03      9.20     57.36      0.00
     25   21.24     11.37*     6.52      4.01      3.18     53.68      0.00


   (*)  Correct Response

   (?)  Response the computer was unable to read due to incomplete
        erasures or two answers marked in the same column




                   American Mathematics Competitions
                   2008 AMC 12 B Results for North Carolina             
                         SCORE DISTRIBUTION 

    score ----gender-----------   -----------grade-----------------
            male   female    ?    <=6      7      8      9     10     11     12     13      ?
    ----------------------------------------------------------------------------------------
    138.0      1                                                              1
    127.5      1                                                1
    123.0      1                                                       1
    117.0      1                                                       1
    114.0             1                                                       1
    111.0             1                                  1
    109.5      2                                                       2
    108.0      1                                                       1      1
    106.5                                                1                                  1
    105.0      2      1                                                       3             1
    103.5      2      1                                         2      1
    100.5      6      1                                         1      3      3
     99.0      3                           1                           1      1
     97.5      2                                                              2
     96.0      1      2                                                1      2
     94.5      9      3                                         2      5      5
     93.0      3      2                           1             2      1      1             1
     91.5      8      3                                         2      4      6
     90.0     11      3                                  1      3      5      5
     88.5      4      2                                         1      2      4             1
     87.0      8      2                                                3      7             1
     85.5     10      3                                         1      5      7
     84.0      6      2                                         3      5
     82.5     11      7                                  1      1      8     10
     81.0     16      8                           2             4     11      7
     79.5      8      8                                         2      5      9
     78.0     17      6                                         3     13      9             1
     76.5     13      7                           1      1      6      5      7             1
     75.0     14      8                           1             3      9     12
     73.5     13      7                                         3      7     11
     72.0     14     12                    1      1             2     17      9
     70.5     23     15                           1             3     19     16
     69.0     14      7                    2                    3     15      4
     67.5      7     13                                         4     10      6
     66.0      7     12                                         2      9      9
     64.5     10     12                           2             2     14      4
     63.0      3      8                                                7      5
     61.5     10      7                                         2      8      8             1
     60.0     10      9                                         5      6     10             1
     58.5     10      4                                  1      2      4      7
     57.0      4      3                                         1      4      3
     55.5      4      1             1                                  2      3
     54.0      8      8             1      1      1                    7      6
     52.5      1      7                                                6      2             1
     51.0      3      3                                         1      3      2
     49.5      3      5                                                4      4
     48.0      2      5                                         1      5      1
     46.5      1      3                                                2      2
     45.0      2      6                                         1      3      4             1
     43.5             3                                                2                    1
     42.0      1      3                                                4
     40.5             1             1                                  1
     39.0             1                                                1
     37.5      1                                                1             1
     36.0      1      3                                         1      1      2
     34.5      1                                                       1
     25.5      1                                                              1



                   American Mathematics Competitions
                   2008 AMC 12 B Results for North Carolina             
                              Analysis      


                   Table of Item Difficulty for the 2008
              American High School Mathematics Examination
           Tabulation of responses for all Participants
                             Percent of Responses


    ITEM    A         B         C         D         E       OMITS       ?
    ____  _____     _____     _____     _____     _____     _____     _____

      1    0.51      0.34      1.37      9.08     87.67*     1.03      0.00
      2    4.28     86.30*     5.31      0.51      0.86      2.74      0.00
      3    3.42      6.16     85.10*     1.03      0.34      3.94      0.00
      4    0.34      1.20      2.57     86.13*     1.37      8.39      0.00
      5    0.86      4.79     76.54*     6.68      2.23      8.90      0.00
      6   90.75*     3.08      1.71      0.00      1.37      3.08      0.00
      7   85.10*     3.25      0.68      0.34      1.88      8.73      0.00
      8    1.37      2.23     72.26*     6.85      3.08     14.21      0.00
      9   31.85*     4.28      4.45      3.77      4.28     51.37      0.00
     10    2.05     39.55*     8.56      4.62      4.45     40.75      0.00
     11   15.41*     6.68      2.57      9.08     19.52     46.75      0.00
     12   13.36     26.88*     5.65      2.91      8.56     42.64      0.00
     13    2.23     16.78*     4.97      5.14      1.20     69.69      0.00
     14    5.14      5.82     38.53*     5.99      4.45     39.90      0.17
     15    1.20      4.62      7.19*     7.36      6.85     72.77      0.00
     16   17.81      9.42*     5.31      6.34      1.54     59.59      0.00
     17    2.05      3.60      4.97*     2.57      1.88     84.93      0.00
     18    1.54      3.25      2.57      8.90      6.34*    77.40      0.00
     19    3.60      6.51*     3.42      2.74      1.03     82.71      0.00
     20   24.32     15.41*     4.79      4.11      2.40     48.97      0.00
     21    2.74      1.88      2.23      2.74      2.57*    87.84      0.00
     22    3.25      3.94      7.19      3.94      5.99*    75.68      0.00
     23    2.23*     2.91      2.74      3.08      1.54     87.50      0.00
     24    0.86      4.28      1.88*     1.54      1.88     89.55      0.00
     25    1.37      3.42*     3.42      3.25      1.71     86.82      0.00


   (*)  Correct Response

   (?)  Response the computer was unable to read due to incomplete
        erasures or two answers marked in the same column