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           2010 AMC8 Report for all schools in North Dakota            

           Number of schools returning results       14
           Average of school highest score        14.64
           Average school team score              38.00

           # of State Student Participants          665
           Overall State Average Score             8.56

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th               2           7.50
                    6th             109           8.10
                    7th             144           8.51
                    8th             406           8.73



           Number of Female Students                301
           Average Score of Female Students        8.15

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   6th               40           7.38
                   7th               73           8.11
                   8th              186           8.35



           Number of Male Participants              355
           Average Score of Male Participants      8.87

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th                2           7.50
                   6th               67           8.46
                   7th               69           8.88
                   8th              215           9.03




                     2010 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25
                  24
                  23            2                         2
                  22
                  21
                  20
                  19
                  18
                  17            1                         1
                  16            5                         5
                  15            8            1            9
                  14            6            4           10
                  13           18            5           24
                  12           19           21           41
                  11           37           19           59
                  10           54           37           93
                   9           39           46           85
                   8           42           53           96
                   7           41           34           75
                   6           40           37           77
                   5           22           22           45
                   4           12           16           28
                   3            6            4           10
                   2            1            1            2
                   1            1                         1
                   0  (@)
                   0  ($)       1            1            2



           (@)  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                                    1            1
              22
              21
              20
              19
              18
              17                                                 1
              16                                    1            4
              15                       2            1            6
              14                       1            4            5
              13                       3            5           16
              12                       4            5           32
              11                       8           13           38
              10          1           15           29           48
               9                       8           15           62
               8                      18           17           60
               7                      21           12           41
               6                      16           15           45
               5          1            5           14           24
               4                       6            8           14
               3                       2            3            5
               2                                    1            1
               1                                                 1
               0(@)                                              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
              54          1
              52          1
              47          2
              45          1
              44          1
              41          1
              37          1
              35          1
              33          1
              32          1
              29          1
              26          1







                   Table of Item Difficulty for the 2010
                      American Mathematics Contest  8
                 Tabulation of responses by     665 Students
                             Percent of Responses


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

      1    1.20      3.91     93.83*     0.30      0.45      0.30      0.00
      2    6.17      1.65      3.01     57.14*    31.43      0.60      0.00
      3    8.12     27.82     58.50*     3.16      1.50      0.90      0.00
      4    7.67      9.77     59.70*    15.34      7.22      0.30      0.00
      5    8.12     63.46*    10.68      6.62     10.38      0.60      0.15
      6    6.32      6.47      3.01      7.82     75.64*     0.45      0.30
      7   37.29     31.28*     9.47      6.02     15.49      0.45      0.00
      8   27.67     25.41     22.56     17.89*     5.41      1.05      0.00
      9   14.14      9.47     36.09     32.18*     7.22      0.90      0.00
     10   21.50     16.69*    21.65     21.35     17.14      1.65      0.00
     11   18.20     51.28*     9.32     14.14      5.86      1.05      0.15
     12   49.77     19.25     11.58     10.38*     8.12*     0.90      0.00
     13   11.13     15.94     36.24     21.20     13.68*     1.65      0.15
     14   11.88     14.59     28.57*    24.06     18.95      1.95      0.00
     15   30.53     20.60     28.42*    13.08      4.66      2.71      0.00
     16   41.95     15.79*     7.07     17.14     15.19      2.71      0.15
     17   14.14     33.38     22.26     15.04*    11.28      3.91      0.00
     18   13.68     21.35     28.87*    15.64     17.29      3.01      0.15
     19   27.52     18.80     28.72*    13.83      6.17      4.81      0.15
     20   26.32*    21.20     26.77     13.98      6.92      4.81      0.00
     21    7.97     18.20     34.29*    18.50     15.19      5.71      0.15
     22   10.68     20.45     23.31     21.35     17.29*     6.62      0.30
     23   17.89     19.40*    23.31     19.10     13.83      6.32      0.15
     24   14.89*    23.01     18.20     24.51     13.38      6.02      0.00
     25   16.39     33.98     10.83     13.23     16.84*     8.57      0.15


   (*)  Correct Response

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