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           2010 AMC8 Report for all schools in China                   

           Number of schools returning results       56
           Average of school highest score        22.02
           Average school team score              62.71

           # of State Student Participants        12769
           Overall State Average Score            11.83

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th             217           8.64
                    6th            1308           9.83
                    7th            4856          11.06
                    8th            6072          12.93



           Number of Female Students               5508
           Average Score of Female Students       11.19

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   5th               75           8.37
                   6th              530           9.18
                   7th             2086          10.42
                   8th             2738          12.19



           Number of Male Participants             7063
           Average Score of Male Participants     12.31

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th              141           8.77
                   6th              762          10.27
                   7th             2733          11.54
                   8th             3287          13.56




                     2010 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25           21            4           26
                  24           42           10           53
                  23           75           14           89
                  22           90           26          116
                  21          161           45          210
                  20          173           72          250
                  19          224          112          342
                  18          284          136          432
                  17          311          179          499
                  16          381          245          638
                  15          407          304          723
                  14          462          359          836
                  13          492          424          933
                  12          589          470         1075
                  11          613          506         1139
                  10          598          540         1153
                   9          556          532         1104
                   8          518          491         1023
                   7          422          395          826
                   6          305          294          602
                   5          185          202          392
                   4           92           89          182
                   3           36           36           73
                   2           16           13           31
                   1            1            3            5
                   0  (@)
                   0  ($)       9            7           17



           (@)  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                       1           10           14
              24                       4           11           38
              23                       4           18           66
              22                       1           25           90
              21                       6           43          156
              20                       7           46          184
              19                      15           85          229
              18          2           22          119          277
              17          4           21          143          311
              16          3           33          205          374
              15          3           51          248          401
              14          4           57          292          452
              13          7           67          366          462
              12         11           94          453          485
              11         21          109          445          543
              10         14          130          476          511
               9         32          153          460          445
               8         28          147          438          395
               7         34          140          361          277
               6         25           99          295          175
               5         17           73          176          114
               4          9           44           86           41
               3          1           13           35           22
               2          2            9           14            4
               1                       1            2            2
               0(@)                    7            4            4
               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
              75          3
              74          3
              73          3
              72          2
              71          5
              70          2
              69          4
              68          1
              67          2
              66          4
              64          1
              62          3
              61          2
              60          1
              59          3
              58          3
              56          1
              55          3
              50          2
              49          2
              47          2
              46          1
              44          1
              42          1
              37          1







                   Table of Item Difficulty for the 2010
                      American Mathematics Contest  8
                 Tabulation of responses by   12769 Students
                             Percent of Responses


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

      1    1.24      3.39     93.56*     1.07      0.41      0.31      0.03
      2    0.92      0.40      0.47     96.01*     1.85      0.27      0.08
      3    4.49      8.90     78.13*     4.54      2.28      1.61      0.05
      4   11.71     22.76     35.32*    13.72     11.43      4.98      0.08
      5    3.92     75.17*    10.83      4.07      4.59      1.34      0.09
      6   14.16     12.53     13.36     14.00     41.59*     4.21      0.15
      7   15.91     25.80*    22.55     16.04     14.90      4.69      0.11
      8    8.98     17.88     16.53     45.42*     6.99      4.11      0.08
      9   33.31      8.95      9.31     43.43*     3.09      1.79      0.12
     10   18.75     33.13*    17.22     17.67      7.22      5.92      0.09
     11    7.50     77.06*     3.63      4.46      5.92      1.35      0.08
     12   23.75      4.64      9.27     54.69*     5.90*     1.59      0.15
     13   10.53     12.77     27.47     22.19     19.44*     7.46      0.14
     14   13.49      9.64     36.65*    25.86      9.53      4.63      0.20
     15    9.19     18.20     53.03*    11.00      4.52      3.95      0.10
     16   28.95     32.44*    13.17     11.81      8.12      5.43      0.09
     17    8.32     23.58     20.21     24.92*    15.33      7.50      0.13
     18    5.04      8.51     61.02*    14.03      6.76      4.57      0.08
     19   14.01     10.47     57.33*     8.22      4.47      5.36      0.14
     20   51.30*     7.42     13.09     13.52      9.81      4.70      0.16
     21    7.99     16.10     45.34*    13.21     10.36      6.93      0.06
     22    9.66     19.54     22.95     23.56     13.78*    10.39      0.13
     23   12.21     28.34*    24.68     13.04     12.24      9.29      0.20
     24   33.60*    18.56     12.48     19.77      9.81      5.58      0.20
     25   11.98     24.03     15.28     14.18     26.20*     8.18      0.15


   (*)  Correct Response

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