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           2010 AMC8 Report for all schools in New Jersery             

           Number of schools returning results       85
           Average of school highest score        18.60
           Average school team score              50.01

           # of State Student Participants         5011
           Overall State Average Score             9.61

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th             130           7.92
                    6th             752           8.15
                    7th            1432           9.36
                    8th            2570          10.24



           Number of Female Students               2285
           Average Score of Female Students        8.91

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   5th               52           7.15
                   6th              353           7.60
                   7th              630           8.62
                   8th             1205           9.49



           Number of Male Participants             2656
           Average Score of Male Participants     10.21

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th               77           8.49
                   6th              397           8.64
                   7th              780           9.96
                   8th             1339          10.93




                     2010 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25            9                         9
                  24           15            2           17
                  23           15            2           17
                  22           13            4           17
                  21           21            7           28
                  20           27            3           30
                  19           28            4           33
                  18           29           21           52
                  17           40           17           59
                  16           63           20           85
                  15           94           45          139
                  14          120           66          189
                  13          140           86          229
                  12          214          135          355
                  11          238          192          439
                  10          300          282          594
                   9          298          296          597
                   8          330          322          662
                   7          238          261          505
                   6          178          238          417
                   5          123          138          264
                   4           75           79          159
                   3           29           35           65
                   2            7           18           25
                   1            2            2            4
                   0  (@)       1            1            2
                   0  ($)       9            9           19



           (@)  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                                    2            7
              24                       1            1           15
              23                                    6           11
              22          1            4            5            7
              21          1            1            4           21
              20          1            2           11           16
              19          1            4            7           21
              18          4            1           18           27
              17                       5           12           39
              16          3            3           20           55
              15          4           12           28           93
              14                      12           56          115
              13          3           17           57          144
              12          3           27           91          222
              11          8           43          125          251
              10          9           80          171          320
               9          5           89          170          314
               8         10          109          209          314
               7         17           93          146          239
               6         19          106          129          155
               5         16           73           81           91
               4         12           42           53           51
               3          7           20           15           23
               2          4            5            7            8
               1                       1            1            2
               0(@)       2            2            7            9
               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          1
              74          1
              73          2
              70          3
              69          2
              68          1
              67          1
              66          1
              65          4
              64          2
              63          4
              62          1
              61          1
              59          2
              58          2
              57          1
              56          3
              55          1
              54          2
              52          1
              50          5
              49          2
              48          2
              47          5
              45          1
              44          4
              43          3
              42          5
              40          2
              39          2
              38          3
              37          3
              36          3
              35          1
              33          1
              32          1
              31          2
              29          1







                   Table of Item Difficulty for the 2010
                      American Mathematics Contest  8
                 Tabulation of responses by    5011 Students
                             Percent of Responses


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

      1    1.40      2.97     93.69*     1.14      0.30      0.48      0.02
      2    5.87      2.35      2.27     68.93*    18.98      1.46      0.14
      3    7.30     23.63     60.43*     4.65      1.18      2.79      0.02
      4    7.00      8.90     65.16*    11.67      6.27      0.96      0.04
      5    7.80     64.92*     9.32      7.22      8.46      2.20      0.08
      6    3.85      4.25      3.21      5.21     82.44*     0.82      0.22
      7   36.56     33.37*    10.48      6.41     11.28      1.90      0.02
      8   21.81     25.16     22.93     19.52*     5.83      4.71      0.04
      9   14.37      8.80     29.10     39.23*     6.59      1.86      0.06
     10   20.69     24.09*    20.10     17.92     13.79      3.35      0.06
     11   18.68     55.96*     8.14     10.14      4.65      2.35      0.08
     12   46.84     13.93      9.86     20.55*     6.41*     2.27      0.14
     13    8.94     12.85     28.00     18.98     25.94*     5.09      0.20
     14    9.46     12.57     38.67*    19.36     15.13      4.69      0.12
     15   26.86     16.44     34.44*    10.78      6.19      5.23      0.06
     16   35.74     17.84*    10.24     16.26     14.07      5.75      0.10
     17   13.13     29.50     22.99     17.62*     9.36      7.30      0.10
     18   12.03     17.66     32.91*    16.54     14.37      6.31      0.18
     19   23.25     20.12     29.36*    13.01      6.09      8.00      0.18
     20   29.46*    16.30     24.59     14.27      8.44      6.77      0.18
     21    9.14     19.66     31.57*    17.60     12.73      9.08      0.22
     22   11.00     20.10     19.64     18.98     20.53*     9.52      0.24
     23   16.12     20.57*    22.03     18.26     11.43     11.41      0.16
     24   15.21*    23.69     18.44     20.49     12.27      9.72      0.18
     25   13.39     33.71     12.69     10.84     18.68*    10.66      0.04


   (*)  Correct Response

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