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           2010 AMC8 Report for all schools in California              

           Number of schools returning results      244
           Average of school highest score        19.01
           Average school team score              50.58

           # of State Student Participants        16025
           Overall State Average Score            10.21

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th             391           9.21
                    6th            2898           8.95
                    7th            5305          10.09
                    8th            7225          10.87



           Number of Female Students               7295
           Average Score of Female Students        9.50

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   5th              136           8.46
                   6th             1264           8.21
                   7th             2437           9.41
                   8th             3401          10.09



           Number of Male Participants             8471
           Average Score of Male Participants     10.81

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th              251           9.65
                   6th             1585           9.51
                   7th             2808          10.66
                   8th             3728          11.58




                     2010 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25           48           12           60
                  24           43            4           49
                  23           49           16           65
                  22           91           18          109
                  21          103           31          136
                  20           94           37          136
                  19          132           60          194
                  18          179           62          245
                  17          199          112          318
                  16          288          147          442
                  15          323          195          526
                  14          440          273          730
                  13          550          342          911
                  12          645          514         1188
                  11          793          659         1479
                  10          864          781         1664
                   9          813          901         1738
                   8          886          867         1780
                   7          654          768         1446
                   6          523          629         1166
                   5          366          442          815
                   4          202          240          448
                   3          116          125          245
                   2           42           38           82
                   1           12            9           22
                   0  (@)       1            1            2
                   0  ($)      15           12           29



           (@)  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                       4           17           39
              24          1            8           20           20
              23          3            4           17           41
              22                       6           29           73
              21          5           14           28           88
              20                      17           44           71
              19          3           15           54          119
              18          7           22           82          130
              17          4           41           97          171
              16         10           42          140          244
              15          9           62          171          275
              14         13           93          225          394
              13         20          110          304          464
              12         24          158          400          595
              11         31          222          489          716
              10         36          295          574          744
               9         38          327          580          772
               8         32          357          633          731
               7         45          325          483          574
               6         43          294          357          457
               5         25          233          273          271
               4         19          117          168          140
               3         13           85           77           65
               2          7           25           28           20
               1          1           13            2            6
               0(@)       2            9           13            5
               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
              75          7
              74          2
              73          1
              72          5
              71          8
              70          2
              69          2
              68          6
              67          9
              66          9
              65          2
              64          7
              63          4
              62          1
              60          9
              59          4
              58          6
              57          3
              56          8
              55          7
              54          3
              53          8
              52          8
              51          6
              50          2
              49          6
              48          7
              47          5
              46          8
              45          3
              44          5
              43          3
              42          8
              41         11
              40          9
              39          2
              38          5
              37          7
              36          3
              35          3
              34          4
              33          3
              32          2
              31          3
              30          2
              29          1
              28          1
              27          1







                   Table of Item Difficulty for the 2010
                      American Mathematics Contest  8
                 Tabulation of responses by   16025 Students
                             Percent of Responses


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

      1    1.12      2.57     94.84*     0.89      0.31      0.27      0.00
      2    3.10      1.76      1.90     77.09*    15.48      0.64      0.04
      3    7.46     21.08     64.89*     3.86      1.04      1.64      0.02
      4    6.86     11.29     62.27*    12.24      6.68      0.62      0.02
      5    6.12     69.78*     9.50      6.06      7.02      1.45      0.06
      6    5.01      6.35      3.60      8.95     75.06*     0.87      0.16
      7   33.38     35.01*    11.48      7.13     11.43      1.48      0.09
      8   23.15     23.84     21.88     21.83*     5.61      3.66      0.03
      9   13.97      7.79     25.04     46.20*     5.63      1.35      0.02
     10   18.16     28.72*    18.12     18.33     13.83      2.76      0.08
     11   17.07     61.34*     6.99      8.64      4.13      1.78      0.04
     12   46.42     12.59      9.77     23.44*     5.92*     1.76      0.09
     13    8.60     11.89     27.08     17.92     30.18*     4.17      0.15
     14    9.30     11.98     44.72*    16.62     13.35      3.93      0.10
     15   25.64     16.37     38.53*     9.93      5.17      4.31      0.05
     16   35.73     19.50*    11.63     16.42     11.63      4.98      0.11
     17   12.00     32.19     22.23     18.17*     8.91      6.35      0.16
     18    9.23     17.34     36.65*    16.54     14.37      5.73      0.16
     19   22.75     19.05     32.84*    11.66      6.15      7.45      0.11
     20   30.54*    16.28     24.87     12.88      8.52      6.76      0.15
     21    8.44     19.45     33.69*    17.01     12.51      8.73      0.16
     22   11.00     20.16     19.33     18.34     21.63*     9.31      0.23
     23   14.33     21.87*    24.65     17.98     10.68     10.33      0.17
     24   15.10*    24.51     19.64     19.78     11.66      9.19      0.12
     25   15.36     31.43     13.29     12.27     17.17*    10.44      0.04


   (*)  Correct Response

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