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           2009 AMC8 Report for all schools in Indonesia               

           Number of schools returning results        5
           Average of school highest score        23.00
           Average school team score              64.80

           # of State Student Participants          610
           Overall State Average Score             9.98

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th             117           6.99
                    6th             110          10.47
                    7th             166          10.73
                    8th             217          10.76



           Number of Female Students                243
           Average Score of Female Students        9.17

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   5th               40           5.80
                   6th               38           9.05
                   7th               64           9.23
                   8th              101          10.51



           Number of Male Participants              366
           Average Score of Male Participants     10.52

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th               77           7.61
                   6th               72          11.22
                   7th              101          11.71
                   8th              116          10.97




                     2009 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25            1            1            2
                  24                         1            1
                  23            1                         1
                  22            3            2            5
                  21            4            1            5
                  20            4            3            7
                  19            7            3           10
                  18            9                         9
                  17           10            2           12
                  16           14            5           19
                  15           16            6           22
                  14           16           11           27
                  13           27           11           38
                  12           35           13           48
                  11           21           23           44
                  10           32           22           54
                   9           33           18           51
                   8           34           32           66
                   7           28           19           48
                   6           26           20           46
                   5           17           19           36
                   4           13           16           29
                   3           10           10           20
                   2            4            4            8
                   1            1                         1
                   0  (@)                    1            1
                   0  ($)



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





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



            SCORE   school count
              69          2
              66          1
              62          1
              58          1







                   Table of Item Difficulty for the 2009
                      American Mathematics Contest  8
                 Tabulation of responses by     610 Students
                             Percent of Responses


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

      1    0.33      0.98      8.20      2.13     88.36*     0.00      0.00
      2    5.57      4.92      7.05     77.87*     2.13      2.46      0.00
      3   12.79      4.10     75.90*     2.62      2.62      1.97      0.00
      4   12.46     61.31*     5.25     11.97      7.54      1.31      0.16
      5    7.05     11.31     16.56     56.89*     2.79      5.41      0.00
      6   68.85*     8.69      5.41      3.77      8.20      5.08      0.00
      7    2.79      8.85     49.67*    13.11     18.52      7.05      0.00
      8   14.75     38.85*    26.89      8.03      7.87      3.61      0.00
      9   13.44     30.49*    20.66     17.38      7.05     10.82      0.16
     10    6.56     15.74     20.33     41.31*    10.33      5.57      0.16
     11    5.25     14.92     18.36     31.97*    17.38     12.13      0.00
     12   15.74     21.80     13.77     39.02*     5.25*     4.43      0.00
     13    5.90     56.07*     8.03     12.13     10.49      6.89      0.49
     14    9.18     20.16*    50.98      7.05      4.43      8.03      0.16
     15   15.57     12.79     15.08     31.15*    13.93     11.48      0.00
     16   30.16     10.82     16.07     18.03*    15.90      8.85      0.16
     17   11.97     24.43*    20.00     13.77     11.48     18.20      0.16
     18   16.39     10.82     44.75*     8.52      9.67      9.84      0.00
     19   12.46     14.43     17.54     22.30*    19.02     14.26      0.00
     20   16.07     26.72      8.69     23.93*    12.79     11.80      0.00
     21   13.77     35.90     16.07     10.33*     4.75     19.18      0.00
     22   11.97     12.30     16.07     23.28*    17.87     18.20      0.33
     23    8.20     24.43*    16.39     16.56     13.11     21.31      0.00
     24   12.46     14.92     20.66     13.61     18.52*    19.67      0.16
     25    9.67     12.46     17.38     16.23     19.84*    24.43      0.00


   (*)  Correct Response

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