There's data in there about educational attainment. It makes a clear distinction between bachelors-or-higher and anything below that. Associate's degrees or jus

There's data in there about educational attainment. It makes a clear distinction between bachelors-or-higher and anything below that. Associate's degrees or just a few courses without completing a program fall into the latter grouping. But yes, you're right. It's not clear exactly what data is being graphed.