The chart above shows the male-female test score ratio for the 2009 SAT math test (data here). For example, for perfect scores of 800, males (6,928) outnumbered females (3,124) by a ratio of 2.22 to 1 ...
In September I had a post about the 2010 Math SAT test results, and reported on the gender differences in favor of males, who scored 34 points higher on average this year than their female ...