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           2006 AMC8 Report for all schools in Missouri                

           Number of schools returning results       50
           Average of school highest score        17.96
           Average school team score              48.64

           # of State Student Participants         2973
           Overall State Average Score             9.91

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th              41           7.29
                    6th             190           8.56
                    7th             840           9.33
                    8th            1853          10.40



           Number of Female Students               1352
           Average Score of Female Students        9.54

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   5th               15           7.93
                   6th               83           8.24
                   7th              357           8.93
                   8th              881           9.95



           Number of Male Participants             1560
           Average Score of Male Participants     10.26

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th               24           6.83
                   6th              105           8.72
                   7th              471           9.65
                   8th              940          10.84




                     2006 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25            4            0            4
                  24            4            0            4
                  23            4            1            5
                  22            0            2            2
                  21           10            3           13
                  20           11            1           13
                  19           13            5           18
                  18           16            8           24
                  17           23           17           41
                  16           47           18           66
                  15           53           37           91
                  14           86           51          137
                  13          115           90          208
                  12          118           96          219
                  11          165          128          298
                  10          189          179          379
                   9          177          191          377
                   8          170          164          338
                   7          140          152          299
                   6           81           90          180
                   5           73           64          139
                   4           42           30           72
                   3           10           18           29
                   2            6            4           10
                   1            1            2            3
                   0  (@)       0            0            0
                   0  ($)       2            1            4



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

                         2006 American Mathematics Contest  8
                             Number of Students by Grade
                              Achieving indicated Score



            SCORE   5th Grade    6th Grade    7th Grade    8th Grade
              25          0            0            0            4
              24          0            1            0            3
              23          0            0            0            5
              22          0            1            0            1
              21          0            0            2           10
              20          1            1            2            9
              19          0            0            6           12
              18          0            1            3           20
              17          0            1            8           32
              16          0            2           18           44
              15          1            1           17           70
              14          0            3           26          106
              13          1            9           50          147
              12          1            5           57          155
              11          0           19           69          208
              10          3           22          116          231
               9          3           14           99          254
               8          8           28          112          182
               7          6           36          108          144
               6          4           19           63           90
               5          4           14           51           68
               4          6            7           23           35
               3          2            5            5           15
               2          1            1            3            5
               1          0            0            0            2
               0(@)       0            0            2            1
               0($)       0            0            0            0



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

           Note:  Some students failed to indicate a grade




                   Table of Item Difficulty for the 2006
                      American Mathematics Contest  8
                 Tabulation of responses by    2973 Students
                             Percent of Responses


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

      1    0.24      0.81      3.57     94.35*     0.91      0.13      0.00
      2    4.61      2.52     88.60*     1.48      2.19      0.57      0.03
      3   46.75*     7.10     22.74     12.85      9.05      1.45      0.07
      4    3.77     67.27*    11.87     11.27      5.18      0.61      0.03
      5    8.64      4.94      4.17     63.13*    17.32      1.72      0.07
      6    6.19     21.90     52.77*     7.30     11.34      0.47      0.03
      7   42.55     15.64*     9.05     15.57     15.67      1.41      0.10
      8   10.19      5.42     10.16     10.49     62.43*     1.21      0.10
      9   28.62     15.81     31.65*    10.80     10.23      2.79      0.10
     10   18.87*    37.47     22.91     11.07      8.14      1.51      0.03
     11   19.88     33.03     16.21*    18.87      8.95      2.96      0.10
     12    3.67      5.58     34.51     46.28*     8.81      1.11      0.03
     13    7.87     18.37     28.32     24.69*    18.10      2.56      0.10
     14    5.79     80.73*     4.51      4.31      3.26      1.38      0.03
     15   20.75      9.92     43.63*    12.41     10.23      2.99      0.07
     16   16.65     19.78     22.47     13.25     22.77*     5.01      0.07
     17    7.10     23.92*    11.03     41.61     13.08      3.16      0.10
     18    9.52     13.69     22.27     21.06*    28.32      4.91      0.24
     19    9.05     13.89     12.55     53.92*     5.28      5.18      0.13
     20   12.18     21.70     30.78*    16.99     12.04      6.22      0.10
     21   16.89*    15.61     19.11     22.27     18.16      7.74      0.24
     22   21.29     28.69     17.66     17.12*     7.00      8.14      0.10
     23   18.06*    15.67     19.95     12.08     25.06      8.95      0.24
     24   13.29*    18.23     27.28     18.53     12.34     10.23      0.10
     25   16.92     20.15*    21.80     14.87     15.64     10.49      0.13


   (*)  Correct Response

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