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           2010 AMC8 Report for all schools in Illinois                

           Number of schools returning results       86
           Average of school highest score        17.43
           Average school team score              47.15

           # of State Student Participants         3832
           Overall State Average Score             9.48

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th              91           8.62
                    6th             708           8.26
                    7th            1215           9.47
                    8th            1767          10.00



           Number of Female Students               1757
           Average Score of Female Students        8.75

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   5th               24           7.04
                   6th              323           7.46
                   7th              530           8.76
                   8th              865           9.26



           Number of Male Participants             2021
           Average Score of Male Participants     10.12

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th               65           9.17
                   6th              377           8.95
                   7th              669          10.06
                   8th              883          10.71




                     2010 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25            8                         8
                  24            6            2            8
                  23           10            5           15
                  22           10            2           12
                  21           21            4           26
                  20           19            6           25
                  19           21            5           26
                  18           33            9           42
                  17           47           22           69
                  16           55           20           79
                  15           61           28           90
                  14           93           35          130
                  13           90           78          171
                  12          145          106          255
                  11          179          126          309
                  10          196          181          383
                   9          222          213          439
                   8          212          240          458
                   7          237          230          473
                   6          138          175          319
                   5          109          119          232
                   4           69           90          161
                   3           26           49           76
                   2            9            6           15
                   1            4            3            7
                   0  (@)       1                         1
                   0  ($)                    3            3



           (@)  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                                    3            5
              24                                    1            6
              23                                    5           10
              22          1                         5            6
              21          1            1            6           18
              20          2            1           10           11
              19                       5            6           14
              18                       6           18           18
              17                       7           22           39
              16          2            6           19           49
              15                       7           31           50
              14          1           15           38           74
              13          5           25           48           87
              12          7           40           83          123
              11          2           49           91          163
              10          4           59          137          176
               9          9           77          141          210
               8         12           79          147          217
               7         20          106          158          186
               6         11           77           99          127
               5          6           64           69           90
               4          7           51           42           58
               3          1           25           25           24
               2                       5            5            5
               1                       1            5            1
               0(@)                    2            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
              74          2
              71          1
              70          1
              69          1
              67          1
              65          3
              63          5
              62          4
              61          2
              59          1
              57          3
              56          5
              55          4
              54          1
              51          2
              50          1
              49          1
              48          1
              47          1
              46          3
              44          5
              43          3
              42          1
              41          5
              39          1
              38          5
              37          3
              36          2
              35          2
              34          1
              33          4
              31          4
              30          1
              29          1
              15          1







                   Table of Item Difficulty for the 2010
                      American Mathematics Contest  8
                 Tabulation of responses by    3832 Students
                             Percent of Responses


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

      1    1.64      2.90     93.53*     1.23      0.52      0.18      0.00
      2    5.64      2.14      2.30     66.18*    23.12      0.57      0.05
      3    7.59     23.83     61.46*     4.91      1.07      1.15      0.00
      4    8.43     10.93     58.72*    13.15      8.22      0.50      0.05
      5    8.53     63.34*     9.34      7.67      9.86      1.17      0.08
      6    5.40      5.45      3.47      9.53     75.57*     0.42      0.16
      7   33.09     34.58*    12.13      7.12     12.03      0.94      0.10
      8   25.00     25.37     20.72     21.14*     5.30      2.45      0.03
      9   12.92     10.20     29.57     38.83*     7.59      0.86      0.03
     10   18.66     25.99*    20.54     18.29     14.22      2.30      0.00
     11   17.95     58.19*     8.46      9.86      4.15      1.30      0.08
     12   44.13     15.94     10.20     21.74*     6.92*     1.04      0.03
     13    9.08     12.68     28.68     21.76     24.32*     3.31      0.16
     14   11.46     13.13     34.03*    20.67     16.86      3.84      0.03
     15   28.42     17.59     34.94*    10.83      4.98      3.08      0.16
     16   35.88     18.08*    11.61     15.79     14.33      4.25      0.05
     17   13.60     31.08     23.80     16.21*    10.05      5.14      0.13
     18   11.53     19.23     32.15*    16.94     14.85      5.14      0.16
     19   22.05     20.41     31.00*    12.68      7.07      6.60      0.18
     20   29.51*    17.90     24.58     13.20      9.21      5.40      0.18
     21    9.32     18.66     33.66*    16.47     13.44      8.30      0.16
     22   11.27     19.47     19.21     19.68     21.29*     8.95      0.13
     23   14.95     21.45*    23.30     19.36     10.73     10.07      0.13
     24   13.65*    24.53     19.26     22.16     11.17      9.08      0.16
     25   15.63     32.33     11.82     11.66     18.37*    10.07      0.10


   (*)  Correct Response

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