Quote Originally Posted by snoopy13a View Post
The average math SAT score is not the average score of the population. It is the average score of those who take the SAT--high school students who plan on attending college. A substantial minority of people do not take the SAT, such as high school dropouts and high school students with absolutely no interest in college. Therefore, the actual average is likely lower.
That would be one of the reasons why I stated that the SAT is a bad measure for the population as a whole. Another is that it only tests people of a particular age, yet another would be the extent to which people study specifically for the SAT.