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           2010 AMC8 Report for all schools in Thailand                

           Number of schools returning results        6
           Average of school highest score        16.83
           Average school team score              47.83

           # of State Student Participants          248
           Overall State Average Score             9.55

                       Average Score by Grade level

                   Grade         # of Students  Average

                    6th              23           8.13
                    7th              65           9.09
                    8th             160           9.94



           Number of Female Students                125
           Average Score of Female Students        9.06

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   6th                8           6.13
                   7th               37           8.49
                   8th               80           9.63



           Number of Male Participants              123
           Average Score of Male Participants     10.05

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   6th               15           9.20
                   7th               28           9.89
                   8th               80          10.26




                     2010 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25
                  24
                  23
                  22
                  21
                  20            1                         1
                  19
                  18
                  17            3            1            4
                  16            5            1            6
                  15            5            2            7
                  14            7            2            9
                  13            7            9           16
                  12           13            7           20
                  11           13           12           25
                  10           11           12           23
                   9           12           25           37
                   8           17           25           42
                   7           10            8           18
                   6           10            8           18
                   5            6            9           15
                   4            2            3            5
                   3                         1            1
                   2
                   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
              24
              23
              22
              21
              20                                    1
              19
              18
              17                                    2            2
              16                                    2            4
              15                                    2            5
              14                       2                         7
              13                                    4           12
              12                       1            4           15
              11                       1            4           20
              10                       2            5           16
               9                       3            9           25
               8                       4            9           29
               7                       4            6            8
               6                       1            8            9
               5                       4            6            5
               4                                    2            3
               3                       1
               2
               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
              51          1
              50          2
              47          1
              46          1
              43          1







                   Table of Item Difficulty for the 2010
                      American Mathematics Contest  8
                 Tabulation of responses by     248 Students
                             Percent of Responses


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

      1    1.61      1.21     96.37*     0.40      0.00      0.40      0.00
      2    0.40      2.02      0.81     85.48*     8.87      2.02      0.40
      3    8.06     11.69     69.35*     3.23      0.81      6.85      0.00
      4    6.85     15.32     59.68*    10.08      6.45      1.61      0.00
      5    2.42     81.05*     7.26      1.61      6.05      1.61      0.00
      6    9.68      9.27      4.03     17.34     53.63*     5.24      0.81
      7   25.81     29.84*    11.29     15.32     14.11      3.63      0.00
      8   21.37     18.95     20.97     20.56*     8.06     10.08      0.00
      9   14.11     12.10     26.61     39.92*     2.82      4.44      0.00
     10   32.26     22.58*    15.73     15.32     10.48      3.63      0.00
     11   17.34     60.48*     5.24      5.24      6.85      4.84      0.00
     12   53.23      7.26     11.29     20.16*     4.03*     4.03      0.00
     13   10.08     10.89     19.35     18.95     25.81*    14.52      0.40
     14   11.69      7.26     35.89*    21.37     12.90     10.89      0.00
     15   21.77     16.13     35.08*    10.89      5.24     10.89      0.00
     16   31.85     12.10*    11.29     16.13     14.92     13.71      0.00
     17   10.48     27.42     11.29     24.60*     8.87     17.34      0.00
     18    7.66     15.32     36.69*    11.29     11.69     17.34      0.00
     19   15.32     10.48     37.50*    10.89      4.84     20.97      0.00
     20   31.45*    18.55     18.55     10.89      8.06     12.50      0.00
     21   13.71     23.79     18.55*    13.31     14.11     16.53      0.00
     22   10.89     18.95      9.68     20.16     14.52*    25.40      0.40
     23   10.89     16.53*    21.37     12.50     11.29     26.61      0.81
     24   13.71*    27.82     16.94     13.71      7.66     19.76      0.40
     25   15.32     33.06      7.66      9.68     13.71*    20.56      0.00


   (*)  Correct Response

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