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           2009 AMC8 Report for all schools in Oregon                  

           Number of schools returning results       32
           Average of school highest score        16.91
           Average school team score              46.13

           # of State Student Participants         2047
           Overall State Average Score            10.29

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th              19           8.63
                    6th             350           9.74
                    7th             532          10.36
                    8th            1121          10.48



           Number of Female Students                916
           Average Score of Female Students        9.74

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   5th                9           8.67
                   6th              151           9.18
                   7th              222           9.82
                   8th              523           9.92



           Number of Male Participants             1088
           Average Score of Male Participants     10.74

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th               10           8.60
                   6th              196          10.23
                   7th              300          10.73
                   8th              571          10.98




                     2009 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25
                  24            2            1            3
                  23            1                         1
                  22            3                         3
                  21            1            3            4
                  20            8            1            9
                  19            7            2           10
                  18           23            8           31
                  17           22            8           31
                  16           39           21           60
                  15           47           33           84
                  14           80           48          129
                  13           81           60          142
                  12          113           78          195
                  11          104           83          197
                  10          120          105          232
                   9          132          113          248
                   8          106          111          222
                   7           84           94          180
                   6           70           68          141
                   5           29           44           73
                   4           11           20           31
                   3            3           11           15
                   2            1            4            5
                   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

                         2009 American Mathematics Contest  8
                             Number of Students by Grade
                              Achieving indicated Score



            SCORE   5th Grade    6th Grade    7th Grade    8th Grade
              25
              24                                                 3
              23                                                 1
              22                       1            2
              21                                                 4
              20                       4            2            3
              19                       2            1            7
              18                       4            8           19
              17                       2           10           19
              16                       2           17           41
              15          1           10           23           49
              14          1           22           38           68
              13                      19           36           86
              12          2           25           58          110
              11          1           32           53          106
              10          4           41           48          134
               9          2           53           60          130
               8                      40           68          111
               7          2           40           44           92
               6          3           33           29           74
               5          1           12           22           37
               4                       6            7           17
               3          1            2            5            6
               2          1                                      4
               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
              68          1
              65          2
              62          1
              60          1
              57          1
              55          1
              54          1
              52          1
              51          1
              50          1
              49          2
              48          1
              46          2
              45          1
              44          1
              43          2
              42          2
              41          1
              40          1
              39          1
              38          1
              37          1
              36          2
              27          2







                   Table of Item Difficulty for the 2009
                      American Mathematics Contest  8
                 Tabulation of responses by    2047 Students
                             Percent of Responses


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

      1    0.20      0.20      1.95      1.37     96.19*     0.10      0.00
      2    1.76      2.49      3.08     90.23*     2.15      0.29      0.00
      3    9.92      2.00     85.69*     1.07      1.27      0.05      0.00
      4    6.79     75.43*     2.00      7.13      7.91      0.59      0.15
      5    4.49     14.66     14.31     59.99*     4.35      2.10      0.10
      6   69.32*     8.06      8.26      4.89      7.96      1.47      0.05
      7    1.95      8.11     38.94*    20.71     27.60      2.64      0.05
      8   30.73     24.77*    34.64      4.05      4.49      1.32      0.00
      9   13.19     40.21*    18.03     16.37      8.45      3.71      0.05
     10    2.59     31.46      9.38     49.05*     6.30      1.17      0.05
     11    5.91     14.66     25.35     32.73*    15.78      5.52      0.05
     12   14.95     22.81      5.32     46.75*     8.35*     1.76      0.05
     13    6.99     76.99*     5.13      7.57      1.47      1.81      0.05
     14    5.28      8.01*    76.01      4.79      3.32      2.54      0.05
     15   15.97     14.66     14.75     31.46*    19.00      4.10      0.05
     16   33.61     17.20     17.93     13.43*    12.02      5.62      0.20
     17   15.00     22.08*    23.94     19.05     10.85      8.99      0.10
     18   21.84     10.16     40.35*    12.41      8.89      6.25      0.10
     19   10.31     15.49     18.37     21.20*    24.91      9.48      0.24
     20   21.59     29.26     12.70     16.56*    10.89      8.89      0.10
     21   14.26     37.52     16.90     12.46*     6.01     12.70      0.15
     22   10.75     13.58     18.08     20.57*    25.16     11.43      0.44
     23   10.99     24.13*    16.46     23.64     10.99     13.68      0.10
     24   17.10     18.95     21.74     15.97     11.04*    15.14      0.05
     25   11.97     15.68     17.34     16.61     21.10*    17.20      0.10


   (*)  Correct Response

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