American Mathematics Competitions
                   2009 AMC 10 A Results for Florida                    
                          GRAND STATISTICS  

      TOTAL NUMBER of official students taking exam:    800

      Number of unofficial participants:         88

      Average score of participants:           65.9

      Average score for female students  is:   60.2  (   340 Students)
      Average score for male students is:      69.7  (   362 Students)
      Average score for unspecified gender is  71.4  (    98 Students)
      Average score for grade 10 is:           68.4  (   383 Students)
      Average score for grade 9 is:            60.2  (   302 Students)
      Average score for grade 8 and below is:  73.0  (    61 Students)
      Average score with unknown grade:        71.4  (    54 Students)

        AIME qualifying score =  120.0 or better
        Number of AIME qualifers                 21

        Number of schools returning results      47
        Average school winning score          102.64


                   American Mathematics Competitions
                   2009 AMC 12 A Results for Florida                    
                          GRAND STATISTICS  

      TOTAL NUMBER of official students taking exam:    950

      Number of unofficial participants:         23

      Average score of participants:           67.7

      Average score for female students  is:   65.0  (   401 Students)
      Average score for male students is:      70.4  (   425 Students)
      Average score for unspecified gender is  66.8  (   124 Students)
      Average score for grade 12 is:           67.5  (   448 Students)
      Average score for grade 11 is:           67.1  (   396 Students)
      Average score for grade 10 is:           76.6  (    50 Students)
      Average score for grade 9 is:            75.8  (    12 Students)
      Average score with unknown grade:        62.0  (    44 Students)

        AIME qualifying score =   97.5 or better
        Number of AIME qualifers                 66

        Number of schools returning results      48
        Average school winning score           96.84
        Average school team score             258.69
 


                   American Mathematics Competitions
                   2009 AMC 10 B Results for Florida                    
                          GRAND STATISTICS  

      TOTAL NUMBER of official students taking exam:   1575

      Number of unofficial participants:          0

      Average score of participants:           63.1

      Average score for female students  is:   58.1  (   569 Students)
      Average score for male students is:      67.9  (   614 Students)
      Average score for unspecified gender is  62.9  (   392 Students)
      Average score for grade 10 is:           65.0  (   712 Students)
      Average score for grade 9 is:            60.3  (   656 Students)
      Average score for grade 8 and below is:  75.1  (    25 Students)
      Average score with unknown grade:        63.9  (   182 Students)

        AIME qualifying score =  120.0 or better
        Number of AIME qualifers                 29

        Number of schools returning results      62
        Average school winning score          102.70


                   American Mathematics Competitions
                   2009 AMC 12 B Results for Florida                    
                          GRAND STATISTICS  

      TOTAL NUMBER of official students taking exam:   1703

      Number of unofficial participants:          0

      Average score of participants:           66.4

      Average score for female students  is:   60.7  (   570 Students)
      Average score for male students is:      71.3  (   767 Students)
      Average score for unspecified gender is  65.0  (   366 Students)
      Average score for grade 12 is:           68.0  (   620 Students)
      Average score for grade 11 is:           65.2  (   702 Students)
      Average score for grade 10 is:           68.9  (   144 Students)
      Average score for grade 9 is:            72.8  (    26 Students)
      Average score with unknown grade:        63.2  (   211 Students)

        AIME qualifying score =  100.0 or better
        Number of AIME qualifers                 87

        Number of schools returning results      74
        Average school winning score           99.06
        Average school team score             270.73
 


    2009 State AMC 12  TEAM Score Distribution
    -----------------------------------------------
    score         A         B       Rank
    -----------------------------------------------
    363.0         1                   1
    352.5                   1         2
    345.0         1                   3
    342.0                   1         4
    336.0         1                   5
    334.5         1                   6
    330.0                   1         7
    327.0                   1         8
    322.5                   1         9
    321.0                   1        10
    319.5                   1        11
    318.0                   2        12
    316.5         1         1        14
    315.0         1         3        16
    313.5                   1        20
    310.5                   1        21
    309.0                   2        22
    301.5         1         2        24
    300.0         1         1        27
    298.5         1         1        29
    297.0                   2        31
    294.0         2         1        33
    292.5         2         4        36
    291.0         1         2        42
    289.5         1         2        45
    286.5                   2        48
    285.0         1         1        50
    283.5         1                  52
    282.0                   1        53
    279.0         2                  54
    277.5                   2        56
    276.0         2         1        58
    273.0                   2        61
    270.0         2         1        63
    268.5         1         1        66
    264.0                   1        68
    261.0         1         1        69
    258.0         1                  71
    256.5         2         2        72
    255.0         2         2        76
    253.5         1         2        80
    252.0                   1        83
    250.5                   2        84
    249.0                   3        86
    247.5                   1        89
    244.5                   1        90
    241.5                   3        91
    240.0         2                  94
    237.0         1                  96
    232.5         1         1        97
    229.5         3         1        99
    228.0                   1       103
    223.5                   1       104
    222.0         1                 105
    220.5         1                 106
    214.5         1         1       107
    213.0         1                 109
    202.5         2                 110
    198.0                   1       112
    192.0                   1       113
    189.0         1                 114
    184.5                   1       115
    183.0                   1       116
    180.0                   1       117
    150.0         1                 118
    135.0                   1       119
    132.0                   1       120
    126.0         1                 121
     93.0         1                 122
 


         2009 AMC Contest Score Distributions
    -----------------------------------------------
    score      12 A      12 B      10 A      10 B
    -----------------------------------------------
    150.0                             1         3
    145.5                             1         1
    144.0                             1
    138.0                                       1
    136.5                             1
    135.0         1
    132.0                   1         2         1
    130.5                             2
    129.0                             3         6
    127.5                             3         1
    126.0         2         1         2         1
    124.5         1                             4
    123.0                   1         2         1
    121.5                   1         1         3
    120.0         2         2         2         7
    118.5                   1         1
    117.0         2         1         6         2
    115.5         1         1         4         2
    114.0         5         4         5         3
    112.5         1         1         1         1
    111.0                   5         4         5
    109.5         2         4         7         9
    108.0         5         8         3         5
    106.5         2         5         6         4
    105.0         4         9         3         2
    103.5         6        15         4        10
    102.0         3        14         5        12
    100.5        17        13         2         6
     99.0         9        18         5         6
     97.5         3        11         6         6
     96.0         6        24         4        10
     94.5        12        18         6        16
     93.0         8        13         9        12
     91.5        12        17         9        18
     90.0        15        32         7        17
     88.5        11        26         9         7
     87.0         9        25        12        13
     85.5        17        29        11        17
     84.0        16        32        13        29
     82.5        25        41         4        19
     81.0        13        35         5        18
     79.5        16        34        12        39
     78.0        28        48        12        34
     76.5        27        47        29        31
     75.0        26        43         9        34
     73.5        26        41        19        37
     72.0        32        56        24        41
     70.5        28        44        22        29
     69.0        31        48        19        40
     67.5        44        37        23        41
     66.0        35        58        30        52
     64.5        36        51        14        32
     63.0        36        47        19        49
     61.5        25        42        25        47
     60.0        41        53        18        67
     58.5        36        60        20        35
     57.0        24        52        26        49
     55.5        28        28        29        45
     54.0        40        71        30        70
     52.5        17        35        12        34
     51.0        15        35        20        42
     49.5        19        30        21        41
     48.0        20        46        27        50
     46.5        16        27        27        35
     45.0        10        32        16        44
     43.5        16        41        18        35
     42.0        16        33        16        47
     40.5        10        24        16        30
     39.0         4        17         6        24
     37.5         5        29        15        15
     36.0         7        20        14        41
     34.5         2        10         9        11
     33.0         5        11         3         7
     31.5         2         6         7         6
     30.0         6        13         5        20
     28.5         1         3         3         6
     27.0         3         1         4         6
     25.5         3         4         2        10
     24.0         1         9         4         5
     22.5                   3         1         2
     21.0         1         3                   1
     19.5         1                   1         2
     18.0                   2         1         3
     16.5                   1
     15.0                                       2
     13.5                                       3
     12.0         1                             2
      6.0                                       1



                   American Mathematics Competitions
                   2009 AMC 10 A Results for Florida                    
                         SCORE DISTRIBUTION 

    score ----gender-----------   -----------grade-----------------
            male   female    ?    <=6      7      8      9     10      ?
    ----------------------------------------------------------------------------------------
    150.0      1                                                1
    145.5             1                           1
    144.0      1                                                1
    136.5             1                                         1
    132.0      2                                                2
    130.5      1                                         1      1
    129.0      3                                         1      2
    127.5      1      2                    1                    2
    126.0      1                                                1      1
    123.0             2                           1      1
    121.5      1                                                1
    120.0      2                                                2
    118.5      1                           1
    117.0      5      1                                  1      5
    115.5      2      1                           2             1      1
    114.0      1      3                                  3      2
    112.5      1                                                1
    111.0      1      2                                  2      1      1
    109.5      3      4                    1             2      3      1
    108.0      2      1                                         2      1
    106.5      2      1                                  1      4      1
    105.0      3                                         2      1
    103.5      2                                         1      1      2
    102.0      4      1                                  1      4
    100.5      2                                                2
     99.0      3      1                                  2      2      1
     97.5      4      2                                  3      3
     96.0      2      1                                  1      3
     94.5      4                                         2      2      2
     93.0      2      2                           2      3      2      2
     91.5      4      3                    1      3      2      3
     90.0      5      2                           1      2      4
     88.5      6      2                           1      2      6
     87.0      8      4                           3      4      4      1
     85.5      5      2                                  2      8      1
     84.0      9      1                           1      6      5      1
     82.5      2      1                                  1      2      1
     81.0      1      2                                  1      2      2
     79.5      7      4                           1      5      6
     78.0      8      3                    1      1      7      3
     76.5     12     15                           1      7     19      2
     75.0      5      2                                  3      6
     73.5     13      4                           1      6     11      1
     72.0     10     10                    1      2     10     10      1
     70.5     10      8                           1      4     14      3
     69.0     10      5                           1      4     12      2
     67.5     11     10                           3      8     11      1
     66.0     16     13                           3     10     16      1
     64.5      5      5                           2      7      4      1
     63.0      7     10                           1      7      9      2
     61.5     10     13                           1      6     18
     60.0      6      9                           2      7      8      1
     58.5      6     11                           2      6     11      1
     57.0     13     10                           2      9     13      2
     55.5     11     11                           3      8     13      5
     54.0     11     17                           3     14     12      1
     52.5      4      6                           1      2      8      1
     51.0      7     10                           1      4     15
     49.5      8     13                           1     10     10
     48.0     13     12                           2     10     14      1
     46.5     12     15                           1     15     11
     45.0      8      8                                  7      7      2
     43.5      8      9                           1     13      4
     42.0      6      9                                 13      1      2
     40.5      5      7                    1             9      3      3
     39.0      3      2                                  5      1
     37.5      3     12                                 10      5
     36.0      5      8                                  7      6      1
     34.5      3      6                           1      4      4
     33.0      1      2                           1      1      1
     31.5      2      4                                  4      2      1
     30.0      1      4                                  4      1
     28.5      2      1                                  2      1
     27.0      1      3                                  2      2
     25.5             2                                  1      1
     24.0      1      2                                  2      2
     22.5             1                                  1
     19.5             1                                         1
     18.0      1                                         1



                   American Mathematics Competitions
                   2009 AMC 10 A Results for Florida                    
                              Analysis      


                   Table of Item Difficulty for the 2009
              American Mathematics Competitions 10/12
           Tabulation of responses for all Participants
                             Percent of Responses


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

      1    0.13      0.38      0.63     10.25     87.88*     0.75      0.00
      2   90.88*     1.25      2.25      0.75      1.63      3.25      0.00
      3    2.38      9.50     70.00*     5.63      4.00      8.50      0.00
      4   28.63*     8.13      4.50      7.00     14.00     37.75      0.00
      5   11.50      5.38      4.75      3.25     49.13*    26.00      0.00
      6   57.63*     2.25      8.63      4.13      1.13     26.25      0.00
      7    5.88      4.88     27.38*     3.50     30.88     27.50      0.00
      8   10.00     75.00*     3.50      0.75      1.75      9.00      0.00
      9    6.63     24.38*     8.13      4.38      1.00     55.50      0.00
     10    4.88     21.75*     5.50     10.25      2.13     55.50      0.00
     11    1.63      2.88      3.25     50.25*     1.13     40.88      0.00
     12    2.75      7.88     27.38*     8.13      8.00     45.88      0.00
     13   19.00      4.50      3.50     10.63     18.63*    43.75      0.00
     14   36.13*     1.25      6.63      3.50     10.75     41.75      0.00
     15    2.25      3.75      6.50      8.00     43.50*    36.00      0.00
     16   21.13      4.50      3.63     12.25*     4.50     54.00      0.00
     17    5.13     10.88      8.13*     1.13      3.50     71.25      0.00
     18   19.38     11.50      6.63     17.00*     8.88     36.63      0.00
     19    4.38     12.38*     6.00      6.63      2.00     68.63      0.00
     20    9.00      8.13     10.13     32.13*     1.75     38.88      0.00
     21    1.38      3.13     11.63*     5.13      2.00     76.75      0.00
     22    6.00      6.38     26.63      7.25*     2.88     50.88      0.00
     23    2.63      2.63      6.00      3.75      9.00*    76.00      0.00
     24    8.13     14.25      6.88*     4.13      5.88     60.63      0.13
     25    5.38      4.63*     4.75      2.88      2.88     79.50      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
                   2009 AMC 12 A Results for Florida                    
                         SCORE DISTRIBUTION 

    score ----gender-----------   -----------grade-----------------
            male   female    ?    <=6      7      8      9     10     11     12     13      ?
    ----------------------------------------------------------------------------------------
    135.0             1                                                       1
    126.0      2                                                1             1
    124.5                                                                     1
    120.0      1                                                              2
    117.0      1      1                                                2
    115.5             1                                                       1
    114.0      2      3                                         1      3      1
    112.5      1                                                              1
    109.5      2                                                1             1
    108.0      4      1                                                2      3
    106.5      2                                                              2
    105.0      3      1                                                3      1
    103.5      3      3                                         1      3      2
    102.0      2      1                                                1      2
    100.5     10      3                                         3      5      8             1
     99.0      6      3                                         3      4      2
     97.5      1      1                                         2                           1
     96.0      2      4                                                2      4
     94.5      7      4                                  1      1      8      2
     93.0      4      2                                  1             4      3
     91.5      6      4                                  2      1      5      4
     90.0      7      7                                  1      2      5      7
     88.5      7      4                                         1      7      3
     87.0      7      2                                                4      5
     85.5      9      5                                         1      6      8             2
     84.0     10      5                                         1      7      7             1
     82.5     17      4                                  1      2      9     11             2
     81.0      5      4                                                4      8             1
     79.5      6      7                                                8      8
     78.0     11     16                                         2      5     21
     76.5     12      8                                  1      2      9     12             3
     75.0     16     10                                         1     11     14
     73.5     16      8                                               16     10
     72.0     11     17                                  1      2     15     13             1
     70.5     11     10                                         1     11     14             2
     69.0     13     10                                               13     16             2
     67.5     19     20                                         1     20     19             4
     66.0     19     12                                         1     23     10             1
     64.5     19     12                                         3     10     22             1
     63.0     14     18                                  1      2      9     24
     61.5      7     15                                         1     11     12             1
     60.0     18     16                                         3     12     24             2
     58.5     11     24                                  1      3     17     15
     57.0      8     13                                               12     12
     55.5      9     13                                               14     14
     54.0     13     20                                  1      2     16     15             6
     52.5      7      8                                                9      6             2
     51.0      6      8                                                7      7             1
     49.5      6      9                                         1      6     10             2
     48.0      8     11                                         1     10      8             1
     46.5      7      8                                         1      9      6
     45.0      3      5                                                8      1             1
     43.5      4      7                                                6      8             2
     42.0     10      5                                  1      1      6      8
     40.5      6      4                                                3      7
     39.0      2      1                                                1      2             1
     37.5      2      3                                                3      2
     36.0      2      5                                                3      3             1
     34.5                                                                     2
     33.0      2      3                                                1      4
     31.5             2                                                       2
     30.0      3      3                                         1      3      2
     28.5             1                                                1
     27.0             3                                                1      2
     25.5      1      2                                                3
     24.0      1                                                              1
     21.0                                                                                   1
     19.5      1                                                              1
     12.0                                                                                   1



                   American Mathematics Competitions
                   2009 AMC 12 A Results for Florida                    
                              Analysis      


                   Table of Item Difficulty for the 2009
              American Mathematics Competitions 10/12
           Tabulation of responses for all Participants
                             Percent of Responses


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

      1   89.79*     5.47      0.53      0.63      2.00      1.58      0.00
      2    0.84      3.37     91.79*     1.16      1.37      1.47      0.00
      3    6.95     74.95*     3.79      6.42      2.32      5.58      0.00
      4   94.11*     1.05      0.63      0.95      1.47      1.79      0.00
      5    1.05      2.42      1.58     79.89*     1.26     13.79      0.00
      6   20.84      2.95      3.16     11.05     39.16*    22.84      0.00
      7    1.58     27.68*     6.63      3.16      2.32     58.63      0.00
      8   57.89*     1.26      6.11      3.47      9.89     21.37      0.00
      9    2.95      4.95      2.95     37.79*     5.89     45.47      0.00
     10    3.05      6.11     42.00*     9.58      6.00     33.26      0.00
     11    2.32      2.63      3.58      4.42     68.11*    18.95      0.00
     12   10.11     26.53*     5.79      6.74      4.00     46.84      0.00
     13   10.00     10.00     13.16     20.63*     6.53     39.68      0.00
     14    3.37      6.84*     7.16     12.00      6.53     64.11      0.00
     15    6.42      5.37      8.74     25.58*     6.32     47.58      0.00
     16    9.79      7.89      7.58      7.79*     1.79     65.16      0.00
     17    4.42      3.58     10.21*     4.84      7.89     69.05      0.00
     18   11.79      5.89*     6.53      3.26      2.63     69.89      0.00
     19    6.32      8.53      6.11*     6.32      8.11     64.63      0.00
     20    3.47      3.26      6.53      3.58      7.68*    75.47      0.00
     21    5.58      3.79      4.11*     3.26      4.32     78.95      0.00
     22    3.05      4.63      3.68      3.26      3.26*    82.11      0.00
     23    2.11      2.11      3.05      3.79*     0.53     88.42      0.00
     24    7.79      3.79      4.84      2.84      1.26*    79.47      0.00
     25    1.68*     4.53      3.47      6.32      7.26     76.74      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
                   2009 AMC 10 B Results for Florida                    
                         SCORE DISTRIBUTION 

    score ----gender-----------   -----------grade-----------------
            male   female    ?    <=6      7      8      9     10      ?
    ----------------------------------------------------------------------------------------
    150.0      3                                         1      2
    145.5      1                                                1
    138.0      1                                                1
    132.0                                                1
    129.0      4                                  1      2      2      1
    127.5      1                                         1
    126.0      1                                  1
    124.5      3                                         1      3
    123.0      1                                                1
    121.5      1                                                2      1
    120.0      7                                         2      5
    117.0      1      1                                         2
    115.5      2                                         2
    114.0                                                2             1
    112.5      1                                         1
    111.0      3                                         4             1
    109.5      7      2                                  2      7
    108.0      3                                                3      2
    106.5      3      1                                  1      3
    105.0             1                                         1      1
    103.5      4      5                           1      2      7
    102.0      6      6                                  2      9      1
    100.5      2      2                                  4      2
     99.0      4                                  1      1      4
     97.5      5                           1      1             4
     96.0      7      1                                  1      8      1
     94.5      8      6                           1      6      9
     93.0      8      2                           2      2      8
     91.5     13      2                                  8      8      2
     90.0      9      2                                  6      8      3
     88.5      5      1                                  3      3      1
     87.0      6      4                                  4      6      3
     85.5      7      6                           1      5      9      2
     84.0     14      6                                 10     13      6
     82.5      5      6                                  7      8      4
     81.0      8      3                                  3      8      7
     79.5     19     10                           3     10     19      7
     78.0     15     10                                 13     13      8
     76.5     11     10                                 13     13      5
     75.0     12     13                                 17     11      6
     73.5     17     12                                 13     21      3
     72.0     24     12                                 22     17      2
     70.5     10     11                                  7     17      5
     69.0     17     16             1                   21     15      3
     67.5     15     17                           1     21     14      5
     66.0     20     20                           1     21     26      4
     64.5     11      8                           1     12     16      3
     63.0     17     16                                 23     23      3
     61.5     16     19                                 17     26      4
     60.0     29     22                           1     28     28     10
     58.5      7     14                                 17     12      6
     57.0     13     22                                 25     19      5
     55.5     12     17                           1     17     21      6
     54.0     22     27                                 24     40      6
     52.5     14     11                                 16     15      3
     51.0     17     18                                 20     19      3
     49.5     13     18                           1     25     10      5
     48.0     17     21                           1     21     22      6
     46.5     16     10                                 13     16      6
     45.0     15     20                                 17     24      3
     43.5      5     25                           1     20     12      2
     42.0     16     21                                 28     17      2
     40.5      7     18                                 16     11      3
     39.0      7     12                                  9     11      4
     37.5      4      8                                  8      6      1
     36.0     12     19                    2            15     21      3
     34.5      4      5                                  4      6      1
     33.0      1      3                                  2      4      1
     31.5      2      3                                  4      1      1
     30.0      8      7                                 11      6      3
     28.5      2      4                                  5      1
     27.0      3      1                                  4      1      1
     25.5      3      3                                  4      3      3
     24.0      1      3                           1      2      1      1
     22.5      1                                                2
     21.0                                                       1
     19.5      1      1                                         2
     18.0      1      2                                  1      2
     15.0             1                                  1             1
     13.5      1      1                                  2             1
     12.0      2                                         2
      6.0             1                                  1



                   American Mathematics Competitions
                   2009 AMC 10 B Results for Florida                    
                              Analysis      


                   Table of Item Difficulty for the 2009
              American Mathematics Competitions 10/12
           Tabulation of responses for all Participants
                             Percent of Responses


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

      1    0.44     69.84*     8.00     17.33      2.73      1.65      0.00
      2    3.68      1.84     85.78*     1.78      0.95      5.97      0.00
      3    1.21      4.63     73.65*    12.95      1.02      6.54      0.00
      4    3.43      5.08     67.30*    12.00      3.24      8.95      0.00
      5   10.98      4.25     20.13     46.10*     4.63     13.90      0.00
      6    1.14      1.97      6.73     70.29*     4.63     15.24      0.00
      7   15.11     20.70     45.97*     8.70      5.59      3.94      0.00
      8    3.11     27.30*     8.19     41.59      3.49     16.32      0.00
      9   32.32*     5.21      6.92      9.40      4.89     41.21      0.06
     10   10.54      3.68      5.46      5.46     37.08*    37.78      0.00
     11   52.44*     9.90      5.59      5.71      2.79     23.56      0.00
     12   21.14*    13.40      9.33     14.67     10.73     30.73      0.00
     13    4.32     13.52     30.98*    12.76     13.46     24.95      0.00
     14    6.10     26.92     21.78     14.67*     8.06     22.48      0.00
     15   11.81      9.97      4.70      8.13     39.75*    25.65      0.00
     16    3.75     13.14*     5.71      4.06      6.03     67.30      0.00
     17   23.43     14.54     16.63*     3.43      1.14     40.76      0.06
     18    4.25      6.48      9.46      9.97*     3.68     66.10      0.06
     19   17.27*    20.00     12.06     10.73      4.25     35.68      0.00
     20    8.13     12.89*     7.56      2.86      3.68     64.83      0.06
     21    7.17     12.70      6.22     11.11*     6.03     56.76      0.00
     22    2.16      5.40*     6.41      5.65      2.98     77.40      0.00
     23    6.54      9.84     10.86*     7.37      5.65     59.75      0.00
     24   13.08*     5.84      5.46      5.14      7.11     63.37      0.00
     25   17.21     13.14*    10.67      7.17      8.76     43.05      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
                   2009 AMC 12 B Results for Florida                    
                         SCORE DISTRIBUTION 

    score ----gender-----------   -----------grade-----------------
            male   female    ?    <=6      7      8      9     10     11     12     13      ?
    ----------------------------------------------------------------------------------------
    132.0      1                                                       1
    126.0      1                                                1
    123.0      1                                                1
    121.5      1                                                              1
    120.0      2                                                       1      1
    118.5      1                                                       1
    117.0      1                                                              1
    115.5      1                                                       1
    114.0      2                                                              3             1
    112.5      1                                                       1
    111.0      4      1                                         1      2      2
    109.5      4                                                       2      2
    108.0      4      2                                         1      2      3             2
    106.5      1      1                                         1      1      1             2
    105.0      6      1                                         2      4      1             2
    103.5     11      3                                  1      1      8      5
    102.0      8                                                       6      5             3
    100.5      9      2                                  1      2      5      3             2
     99.0     12      4                                               12      5             1
     97.5      8                                                       4      6             1
     96.0     13      7                                         5      7     12
     94.5     10      4                                  1      1      7      8             1
     93.0      7      4                                  1      3      3      5             1
     91.5      9      2                                         1      6      5             5
     90.0     22      4                                  1      5     12      9             5
     88.5     17      6                                  1      2     12     11
     87.0     15      6                                  1      1     13      9             1
     85.5     19      6                                  1      3     16      8             1
     84.0     18     10                                  1      3      8     17             3
     82.5     28      7                                         2     17     21             1
     81.0     14     12                                  1      3     11     16             4
     79.5     14      9                                         2     12     15             5
     78.0     25     10                                         3     20     18             7
     76.5     30     10                                         4     17     23             3
     75.0     23      9                                         4     16     16             7
     73.5     16     15                                  1      3     18     14             5
     72.0     31     18                                  2      5     24     21             4
     70.5     24     11                                         2     18     16             8
     69.0     23     16                                  4      5     16     20             3
     67.5     12     19                                  1      3     15     15             3
     66.0     28     21                                  1      7     17     25             8
     64.5     20     19                                         3     19     21             8
     63.0     21     17                                  1      4     21     15             6
     61.5     15     13                                  1      5     14     16             6
     60.0     18     22                                         6     21     17             9
     58.5     32     22                                  1      6     28     19             6
     57.0     14     22                                         8     15     22             7
     55.5     10     15                                         2     14     11             1
     54.0     28     25                                  1      8     29     26             7
     52.5     11     14                                               19     13             3
     51.0     10     13                                         3     14      9             9
     49.5      9     14                                         4     16      9             1
     48.0     15     14                                  1      2     18     13            12
     46.5      8     13                                         1     10     11             5
     45.0      7     16                                         1     14     10             7
     43.5     10     21                                         3     19     11             8
     42.0     13     13                                         3     14     10             6
     40.5      6     12                                         2     12      8             2
     39.0      5      9                                               10      5             2
     37.5     10     15                                  1      2     14      9             3
     36.0      8      8                                  1            10      5             4
     34.5      1      7                                                7      2             1
     33.0      4      5                                         1      5      3             2
     31.5      1      4                                         1      3      1             1
     30.0      3      6                                                6      4             3
     28.5      1      1                                                       2             1
     27.0      1                                                       1
     25.5      1      3                                         1      2      1
     24.0      3      5                                         1      4      3             1
     22.5      1      1                                                1      1             1
     21.0      2                                                       3
     18.0      2                                                       2
     16.5             1                                                1



                   American Mathematics Competitions
                   2009 AMC 12 B Results for Florida                    
                              Analysis      


                   Table of Item Difficulty for the 2009
              American Mathematics Competitions 10/12
           Tabulation of responses for all Participants
                             Percent of Responses


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

      1    0.70     79.68*     5.99     11.80      1.59      0.23      0.00
      2    0.59      3.41     78.80*    13.39      1.12      2.70      0.00
      3    7.11      1.82     17.79     61.60*     2.94      8.75      0.00
      4    1.47      2.52     80.92*     8.40      1.88      4.82      0.00
      5    0.88      1.35      5.05     78.45*     3.46     10.80      0.00
      6   11.33     14.45     60.42*     7.69      3.58      2.52      0.00
      7    3.93     47.80*     7.63     26.37      3.58     10.63      0.06
      8    5.34      5.81      3.05      5.75     64.94*    14.97      0.12
      9   46.04*     6.34      4.05      5.28      2.17     36.05      0.06
     10   35.53*    18.26     11.92      7.99      2.88     23.43      0.00
     11    5.11     25.95     20.90     19.44*     7.75     20.85      0.00
     12    2.94      3.29      6.93      3.82     36.82*    46.21      0.00
     13    4.11      5.17      7.11     17.56*     6.17     59.84      0.06
     14   17.62     13.68     28.19*     2.88      1.41     36.17      0.06
     15    1.70     49.79*    10.39      6.28      4.82     27.01      0.00
     16    4.35      5.11*     4.23      3.82      1.70     80.80      0.00
     17   20.49     17.62*    10.10      6.28      5.75     39.75      0.00
     18    5.58      8.51     12.27*     6.99      6.52     60.13      0.00
     19    2.11      3.88      4.82      2.11      3.52*    83.56      0.00
     20    2.94      5.11      4.29*     2.29      3.70     81.68      0.00
     21    5.40*     6.58      7.63     13.98     18.32     48.03      0.06
     22    2.29      3.88      5.11*     4.64      1.47     82.62      0.00
     23    2.47      4.05      4.05      4.29*     2.11     83.03      0.00
     24    8.93      7.05*     4.52      5.34      1.76     72.40      0.00
     25    8.22      4.76      5.58      5.05      3.88*    72.52      0.00


   (*)  Correct Response

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