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           2010 AMC8 Report for all schools in Arizona                 

           Number of schools returning results       23
           Average of school highest score        18.13
           Average school team score              48.57

           # of State Student Participants         1271
           Overall State Average Score             8.79

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th              63           6.73
                    6th             404           7.86
                    7th             380           8.92
                    8th             420           9.87



           Number of Female Students                641
           Average Score of Female Students        8.50

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   5th               24           5.79
                   6th              199           7.58
                   7th              193           8.54
                   8th              224           9.58



           Number of Male Participants              609
           Average Score of Male Participants      9.10

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th               39           7.31
                   6th              202           8.15
                   7th              175           9.37
                   8th              190          10.21




                     2010 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25
                  24            1            2            3
                  23            2            1            3
                  22
                  21            3            1            4
                  20            4            1            6
                  19            3            5            8
                  18            7                         7
                  17            6            2            8
                  16            6            3            9
                  15           11            6           18
                  14           17           12           29
                  13           27           21           49
                  12           41           31           72
                  11           47           55          104
                  10           75           67          144
                   9           71           94          167
                   8           78           90          172
                   7           65           89          156
                   6           66           64          133
                   5           39           55           95
                   4           21           21           44
                   3           10           12           22
                   2            3            4            7
                   1            4            4            8
                   0  (@)
                   0  ($)       2            1            3



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

                         2010 American Mathematics Contest  8
                             Number of Students by Grade
                              Achieving indicated Score



            SCORE   5th Grade    6th Grade    7th Grade    8th Grade
              25
              24                                    1            2
              23                                    1            2
              22
              21                                    2            2
              20                       2            1            3
              19                       1                         7
              18                       2            2            3
              17          1            1            1            5
              16          1                         2            6
              15                       1            6           11
              14          1            4            8           16
              13                      14           21           14
              12          6           17           22           27
              11          1           20           31           51
              10          4           39           44           56
               9          2           49           55           60
               8          5           52           62           53
               7         11           66           32           46
               6          6           56           44           27
               5         10           39           29           17
               4          4           28            7            5
               3          2           10            7            3
               2          2            2            2            1
               1          7                                      1
               0(@)                    1                         2
               0($)



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

           Note:  Some students failed to indicate a grade





                         2010 American Mathematics Contest  8
                             Number of Schools with 3+ students
                              Achieving team Scores



            SCORE   school count
              67          2
              64          1
              60          1
              58          1
              56          1
              53          3
              50          1
              46          2
              44          2
              43          2
              42          3
              41          1
              38          1
              34          1
              31          1







                   Table of Item Difficulty for the 2010
                      American Mathematics Contest  8
                 Tabulation of responses by    1271 Students
                             Percent of Responses


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

      1    1.49      3.46     93.94*     0.55      0.31      0.24      0.00
      2    7.24      2.68      3.15     65.15*    20.38      1.42      0.00
      3    8.89     24.63     58.69*     3.78      2.12      1.89      0.00
      4    8.18     12.04     54.45*    14.63      9.28      1.42      0.00
      5    8.73     61.53*    10.15      8.81      8.89      1.73      0.16
      6    4.88      6.45      2.05      8.97     76.63*     0.94      0.08
      7   38.79     30.45*    11.64      5.35     12.27      1.49      0.00
      8   25.96     26.59     22.90     15.97*     5.43      3.15      0.00
      9   14.32     12.82     30.29     33.60*     6.85      2.12      0.00
     10   21.16     23.13*    20.46     18.73     13.61      2.83      0.08
     11   18.80     54.45*     8.65     10.70      4.17      3.15      0.08
     12   48.54     16.60     11.01     14.00*     7.40*     2.36      0.08
     13   10.78     14.32     29.03     19.51     20.61*     5.59      0.16
     14   11.88     13.93     38.32*    16.44     14.40      4.96      0.08
     15   31.16     16.84     29.58*    11.25      5.51      5.59      0.08
     16   38.63     15.58*     7.95     18.73     12.67      6.45      0.00
     17   11.01     32.49     23.84     14.71*     9.60      8.18      0.16
     18   10.70     19.43     29.19*    17.62     14.87      7.79      0.39
     19   22.11     20.61     26.75*    13.30      7.71      9.44      0.08
     20   25.73*    20.85     23.21     14.16      7.24      8.65      0.16
     21    8.42     21.48     29.11*    19.20     11.09     10.46      0.24
     22   10.78     21.40     19.04     19.20     17.86*    11.64      0.08
     23   13.45     20.69*    22.50     18.17     12.04     13.06      0.08
     24   12.59*    24.55     19.12     19.83     11.41     12.35      0.16
     25   16.37     32.73     11.57      9.91     16.29*    12.98      0.16


   (*)  Correct Response

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