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           2010 AMC8 Report for all schools in Korea                   

           Number of schools returning results        8
           Average of school highest score        22.50
           Average school team score              63.63

           # of State Student Participants          751
           Overall State Average Score            12.89

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th              49          10.43
                    6th             189          11.47
                    7th             247          13.28
                    8th             257          14.14



           Number of Female Students                327
           Average Score of Female Students       12.15

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   5th               23           9.87
                   6th               80          10.60
                   7th               99          12.56
                   8th              122          13.35



           Number of Male Participants              414
           Average Score of Male Participants     13.55

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th               25          11.12
                   6th              107          12.21
                   7th              145          13.80
                   8th              131          14.93




                     2010 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25            5            1            6
                  24            6            3            9
                  23           13            4           17
                  22           13            7           20
                  21           11            8           19
                  20           11            6           17
                  19           16           11           28
                  18           23            9           32
                  17           18           14           32
                  16           23           16           39
                  15           30           23           54
                  14           26           17           44
                  13           25           16           42
                  12           32           22           54
                  11           33           22           55
                  10           32           34           66
                   9           25           33           59
                   8           24           29           55
                   7           19           25           45
                   6           15           12           28
                   5           10            9           19
                   4            4            4            9
                   3
                   2                         1            1
                   1
                   0  (@)
                   0  ($)                    1            1



           (@)  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            2            3
              24                       2            1            6
              23                       2            8            7
              22                       1           10            9
              21                       2           11            6
              20          1            4            8            3
              19          2            1            9           16
              18          1            7           13           11
              17                       7            7           18
              16          3            6           16           14
              15                      12           14           28
              14          2           11           12           19
              13          5           14           13            9
              12          3           15           16           20
              11          4           16           14           18
              10          5           20           23           18
               9          4           14           19           22
               8          7           17           16           14
               7          5           14           14           11
               6          3            8           12            4
               5          3           10            4            1
               4          1            3            5
               3
               2                       1
               1
               0(@)                    1
               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          1
              71          1
              68          1
              63          1
              60          1
              59          2
              54          1







                   Table of Item Difficulty for the 2010
                      American Mathematics Contest  8
                 Tabulation of responses by     751 Students
                             Percent of Responses


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

      1    0.93      2.40     95.07*     1.20      0.27      0.13      0.00
      2    1.46      0.53      0.27     93.08*     4.26      0.40      0.00
      3    6.66     15.05     71.50*     3.99      1.07      1.73      0.00
      4    8.26     17.04     54.46*    11.45      7.72      1.07      0.00
      5    2.66     85.89*     4.66      2.80      3.33      0.53      0.13
      6    6.13      8.26      4.26     14.78     66.18*     0.27      0.13
      7   27.96     36.35*    12.65      9.32     12.38      1.33      0.00
      8   15.71     21.30     20.91     32.76*     6.52      2.66      0.13
      9   17.71      6.39     13.85     58.59*     3.20      0.27      0.00
     10   14.51     50.60*    10.92     15.31      6.92      1.73      0.00
     11    9.99     75.77*     4.79      5.59      3.20      0.67      0.00
     12   41.94      6.13      7.59     40.21*     3.60*     0.40      0.13
     13    9.32     11.05     18.11     18.24     41.15*     2.13      0.00
     14    5.46     10.79     58.06*    15.05      9.32      1.33      0.00
     15   15.45     17.04     52.73*     9.19      3.99      1.60      0.00
     16   28.50     34.09*    15.45     13.18      6.52      2.26      0.00
     17    8.12     26.63     19.44     29.03*    13.18      3.60      0.00
     18    5.99     10.52     62.18*    11.45      7.59      2.26      0.00
     19   14.91     13.58     53.00*     8.66      5.46      4.26      0.13
     20   45.27*    12.92     21.04     11.32      6.66      2.66      0.13
     21    8.52     17.71     46.07*    15.31      9.45      2.93      0.00
     22   12.25     18.64     15.05     20.64     27.96*     5.19      0.27
     23   11.72     34.75*    18.77     13.98     15.71      5.06      0.00
     24   21.84*    21.57     15.05     23.83     13.32      4.26      0.13
     25   13.32     31.03     13.72     14.11     22.90*     4.93      0.00


   (*)  Correct Response

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