Statistically Significant Differences

 

Percentages of
Students in Category
Number of Students Tested in School District
10 25 50 100 200
10 19 12 8 6 4
20 25 16 11 8 6
30 28 18 13 9 6
40 30 19 14 10 7
50 31 20 14 10 7
60 30 19 14 10 7
70 28 18 13 9 6
80 25 16 11 8 6
90 19 12 8 6 4