On: You Draw It: Family Income vs. College Attendence

[learnstats2]

I learned also to check the original source: the data there doesn't seem to fit such a perfect straight line and does show a slight S curling at the edges.

It just shows an S curved the other way to what I drew.

[erikb → learnstats2]

How did you draw an s cuve the other way? I thought there is only one way, a little extreme: horizontal line, diagonal increase, horizontal line.