From the article: > The share of black freshmen at elite schools is virtually unchanged since 1980. Black students are just 6 percent of freshmen but 15 percen

From the article: > The share of black freshmen at elite schools is virtually unchanged since 1980. Black students are just 6 percent of freshmen but 15 percent of college-age Americans Leading to an "underrepresentedness" figure of -9 (or -10 on the graph in the article, which is probably due to rounding). But that's a stupid way of calculating underrepresentedness. E.g. if a group has 8 % of the population but none go to university they would be underrepresented by -8, less than blacks but clearly 8->0 is a much larger diparity than 15->6.