Missing Title

           2009 AMC8 Report for all schools in South Dakota            

           Number of schools returning results        4
           Average of school highest score        14.00
           Average school team score              37.25

           # of State Student Participants          131
           Overall State Average Score             9.07

                       Average Score by Grade level

                   Grade         # of Students  Average

                    5th               3           3.67
                    6th               5           9.60
                    7th              60           8.33
                    8th              60          10.03



           Number of Female Students                 50
           Average Score of Female Students        9.20

                       Average Female Scores by Grade

                   Grade         # of Students  Average
                   7th               24           8.42
                   8th               25           9.96



           Number of Male Participants               78
           Average Score of Male Participants      8.87

                       Average score for Males by Grade

                   Grade         # of Students  Average
                   5th                3           3.67
                   6th                5           9.60
                   7th               35           8.20
                   8th               33           9.94




                     2009 American Mathematics Contest  8
                   Number of Students Achieving Indicated Score



                 SCORE        MALE       FEMALE       TOTAL*
                  25
                  24
                  23
                  22
                  21
                  20
                  19
                  18
                  17            1                         1
                  16
                  15
                  14                         2            2
                  13            4            7           12
                  12            8            2           11
                  11            2            4            7
                  10           19            6           25
                   9           11            6           17
                   8           13            7           20
                   7            9            9           18
                   6            3            6            9
                   5            1                         1
                   4            5            1            6
                   3            2                         2
                   2
                   1
                   0  (@)
                   0  ($)



           (@)  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
              23
              22
              21
              20
              19
              18
              17                                                 1
              16
              15
              14                                                 2
              13                       1            3            8
              12                                    1           10
              11                                    5            2
              10                       2           10           12
               9                                    9            7
               8                       1           11            7
               7                       1           10            7
               6                                    6            3
               5                                                 1
               4          2                         4
               3          1                         1
               2
               1
               0(@)
               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
              43          1
              40          1
              34          1
              32          1







                   Table of Item Difficulty for the 2009
                      American Mathematics Contest  8
                 Tabulation of responses by     131 Students
                             Percent of Responses


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

      1    0.00      0.00      3.82      3.05     93.13*     0.00      0.00
      2    4.58      4.58      0.76     86.26*     3.05      0.76      0.00
      3    6.87      4.58     83.97*     2.29      2.29      0.00      0.00
      4   11.45     68.70*     2.29     11.45      4.58      1.53      0.00
      5    6.11     16.03     15.27     56.49*     3.05      3.05      0.00
      6   70.23*     6.87      9.16      5.34      8.40      0.00      0.00
      7    2.29     10.69     29.01*    27.48     29.01      1.53      0.00
      8   28.24     12.98*    46.56      1.53     10.69      0.00      0.00
      9   18.32     29.77*    14.50     25.19      7.63      4.58      0.00
     10    4.58     32.82     16.79     38.93*     6.11      0.76      0.00
     11    1.53     15.27     19.08     34.35*    25.95      3.82      0.00
     12   28.24     35.88      5.34     24.43*     4.58*     1.53      0.00
     13    6.11     75.57*     6.87      8.40      0.76      2.29      0.00
     14    4.58      6.87*    78.63      5.34      3.05      1.53      0.00
     15   17.56     16.79     17.56     21.37*    22.14      4.58      0.00
     16   32.82     22.14     22.14      9.92*     9.92      3.05      0.00
     17   22.14     19.85*    20.61     19.08     11.45      6.87      0.00
     18   29.01     12.98     29.77*    12.98     12.21      3.05      0.00
     19   12.98     19.85     20.61      7.63*    32.06      6.87      0.00
     20   22.14     28.24     12.98     18.32*    10.69      7.63      0.00
     21   15.27     37.40     16.79     14.50*     7.63      8.40      0.00
     22   12.21     20.61     19.08     18.32*    22.90      6.87      0.00
     23   13.74     23.66*    16.79     23.66     10.69     10.69      0.76
     24   20.61     22.14     20.61     18.32      7.63*    10.69      0.00
     25   10.69     19.85     11.45     20.61     25.19*    12.21      0.00


   (*)  Correct Response

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