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           2009 AMC8 Report for all schools in South Carolina          

           Number of schools returning results       19
           Average of school highest score        17.68
           Average school team score              45.00

           # of State Student Participants         1992
           Overall State Average Score             9.06

                       Average Score by Grade level

                   Grade         # of Students  Average

                    6th             168           8.09
                    7th             595           9.08
                    8th            1213           9.19



           Number of Female Students               1019
           Average Score of Female Students        8.70

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   6th               86           8.03
                   7th              309           8.63
                   8th              619           8.82



           Number of Male Participants              934
           Average Score of Male Participants      9.46

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   6th               80           8.18
                   7th              278           9.56
                   8th              570           9.59




                     2009 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25            1                         1
                  24
                  23            2                         2
                  22            1                         1
                  21
                  20            3                         3
                  19            3            1            4
                  18            2                         2
                  17            7            2            9
                  16           19            6           25
                  15           17           12           31
                  14           39           31           72
                  13           57           35           92
                  12           68           62          132
                  11          105          106          216
                  10          115          140          260
                   9          117          144          269
                   8          104          132          242
                   7          112          120          233
                   6           77           91          172
                   5           50           77          129
                   4           24           39           65
                   3            6           17           23
                   2            3            4            7
                   1
                   0  (@)
                   0  ($)       2                         2



           (@)  These students attempted some of the problems
           ($)  These students attempted none of the problems
           (*)  Total includes students who failed to mark their gender

                         2009 American Mathematics Contest  8
                             Number of Students by Grade
                              Achieving indicated Score



            SCORE   5th Grade    6th Grade    7th Grade    8th Grade
              25                                                 1
              24
              23                                    1            1
              22                                                 1
              21
              20                                                 3
              19                                                 4
              18                                                 2
              17                                    2            7
              16                                    4           21
              15                                    9           22
              14                       1           22           48
              13                       8           22           62
              12                       8           49           73
              11                      14           71          129
              10                      16           78          165
               9                      25           89          152
               8                      25           69          145
               7                      24           70          138
               6                      26           49           96
               5                       4           42           81
               4                      12           12           41
               3                       4            3           16
               2                       1            1            5
               1
               0(@)                                 2
               0($)



           (@)  These students attempted some of the problems
           ($)  These students attempted none of the problems

           Note:  Some students failed to indicate a grade





                         2009 American Mathematics Contest  8
                             Number of Schools with 3+ students
                              Achieving team Scores



            SCORE   school count
              71          1
              59          1
              53          2
              51          1
              50          1
              47          1
              46          2
              45          1
              44          2
              43          2
              42          2
              37          1







                   Table of Item Difficulty for the 2009
                      American Mathematics Contest  8
                 Tabulation of responses by    1992 Students
                             Percent of Responses


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

      1    0.20      0.15      2.26      2.36     94.93*     0.10      0.00
      2    2.96      3.77      3.06     86.95*     2.81      0.40      0.05
      3   15.16      3.21     77.76*     1.61      2.11      0.15      0.00
      4   10.99     61.24*     2.51     14.36     10.34      0.55      0.00
      5    6.53     17.17     18.17     52.21*     4.07      1.81      0.05
      6   60.69*    11.24     10.49      6.33      9.34      1.91      0.00
      7    3.01     10.49     26.91*    24.65     31.93      2.96      0.05
      8   33.68     14.01*    42.57      2.81      5.72      1.20      0.00
      9   17.32     34.14*    18.83     18.12      8.48      3.06      0.05
     10    4.02     27.66     14.01     45.73*     7.48      1.00      0.10
     11    6.78     16.62     23.85     30.27*    18.22      4.22      0.05
     12   23.44     29.57      4.22     32.93*     8.53*     1.20      0.10
     13    6.83     76.51*     5.32      7.73      2.16      1.46      0.00
     14    5.32      5.22*    78.01      5.27      2.91      3.21      0.05
     15   18.67     13.50     17.42     25.60*    19.23      5.42      0.15
     16   36.24     17.27     17.82     11.50*    10.74      6.33      0.10
     17   15.56     19.78*    23.19     20.88     10.39     10.04      0.15
     18   22.04     12.05     34.49*    12.15     12.05      7.18      0.05
     19   12.25     15.31     17.52     16.01*    28.51     10.09      0.30
     20   18.27     29.47     12.05     16.52*    13.55     10.04      0.10
     21   14.16     38.30     15.76     11.35*     5.47     14.86      0.10
     22   11.24     13.15     17.87     19.58*    23.49     14.46      0.20
     23   13.10     22.99*    16.77     18.62     10.64     17.82      0.05
     24   16.72     18.22     20.43     15.31      9.54*    19.73      0.05
     25   12.90     15.81     14.61     14.46     19.53*    22.69      0.00


   (*)  Correct Response

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