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           2006 AMC8 Report for all schools in Iowa                    

           Number of schools returning results       46
           Average of school highest score        17.11
           Average school team score              46.26

           # of State Student Participants         2724
           Overall State Average Score             9.82

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th               3          10.67
                    6th              56          10.46
                    7th            1087           8.82
                    8th            1508          10.54



           Number of Female Students               1279
           Average Score of Female Students        9.58

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   6th               16           9.56
                   7th              515           8.65
                   8th              731          10.23



           Number of Male Participants             1385
           Average Score of Male Participants     10.05

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th                3          10.67
                   6th               39          10.85
                   7th              564           8.96
                   8th              756          10.81




                     2006 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25            1            1            2
                  24            3            0            3
                  23            4            2            6
                  22            0            3            3
                  21            7            2            9
                  20            7            3           11
                  19           13            2           15
                  18           11            1           12
                  17           16           13           30
                  16           40           21           62
                  15           37           28           66
                  14           70           44          116
                  13           90           83          179
                  12          137          115          254
                  11          129          135          273
                  10          156          170          336
                   9          158          153          320
                   8          185          178          368
                   7          131          143          279
                   6           91           82          175
                   5           46           59          107
                   4           28           21           50
                   3           17           13           30
                   2            2            4            6
                   1            0            1            1
                   0  (@)       1            0            1
                   0  ($)       5            2           10



           (@)  These students attempted some of the problems
           ($)  These students attempted none of the problems
           (*)  Total includes students who failed to mark their gender

                         2006 American Mathematics Contest  8
                             Number of Students by Grade
                              Achieving indicated Score



            SCORE   5th Grade    6th Grade    7th Grade    8th Grade
              25          0            0            1            1
              24          0            0            0            3
              23          0            1            0            5
              22          0            0            0            3
              21          0            0            0            9
              20          0            0            1           10
              19          0            1            4           10
              18          0            1            4            5
              17          0            1            5           24
              16          1            2           15           43
              15          0            1           10           54
              14          0            1           29           85
              13          0            4           40          132
              12          0            3           76          169
              11          0            4           95          166
              10          0           11          133          178
               9          1           10          137          159
               8          0           10          166          185
               7          1            2          153          117
               6          0            2           98           72
               5          0            2           55           49
               4          0            0           36           13
               3          0            0           19           11
               2          0            0            4            2
               1          0            0            0            1
               0(@)       0            0            6            2
               0($)       0            0            0            0



           (@)  These students attempted some of the problems
           ($)  These students attempted none of the problems

           Note:  Some students failed to indicate a grade




                   Table of Item Difficulty for the 2006
                      American Mathematics Contest  8
                 Tabulation of responses by    2724 Students
                             Percent of Responses


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

      1    0.15      0.88      3.63     94.05*     0.88      0.40      0.00
      2    4.30      2.83     90.09*     1.21      0.95      0.59      0.04
      3   45.48*     7.05     23.49     11.75     10.65      1.40      0.18
      4    3.74     67.55*    13.07     10.46      4.66      0.48      0.04
      5    8.74      4.33      4.81     61.27*    19.24      1.62      0.00
      6    5.47     23.68     52.02*     7.12     10.94      0.70      0.07
      7   44.93     15.38*     8.33     15.53     14.54      1.14      0.15
      8    9.65      4.55     10.46     12.67     61.49*     0.99      0.18
      9   30.40     16.81     29.00*     9.84     11.01      2.86      0.07
     10   19.86*    33.63     24.85     10.98      9.18      1.40      0.11
     11   20.74     31.42     16.78*    18.39      9.36      3.19      0.11
     12    4.07      5.54     35.61     44.05*     9.69      1.03      0.00
     13    8.41     18.43     26.95     25.11*    18.54      2.42      0.15
     14    5.84     80.51*     4.48      5.10      3.05      0.99      0.04
     15   20.70     10.46     41.52*    12.81     11.45      2.97      0.07
     16   17.14     19.27     21.44     13.18     23.60*     5.29      0.07
     17    8.41     24.30*    11.82     40.20     12.44      2.57      0.26
     18    9.47     12.67     22.39     21.84*    29.81      3.74      0.07
     19    9.58     14.21     12.59     53.45*     5.62      4.41      0.15
     20   10.57     21.26     31.98*    17.66     12.59      5.87      0.07
     21   15.31*    15.27     19.05     22.21     20.12      7.93      0.11
     22   21.73     29.55     17.58     15.38*     7.34      8.19      0.22
     23   17.91*    15.71     18.50     11.38     26.76      9.54      0.18
     24   15.20*    13.99     27.97     17.44     13.40     11.93      0.07
     25   15.86     19.05*    20.12     16.96     15.49     12.41      0.11


   (*)  Correct Response

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