Is Average Over?: Two Equivocal Graphs
By Bryan Caplan
Here are the unredacted graphs from “Tell Me What ‘Average Is Over’ Looks Like.”
Graph #1 is from 1978:
Graph #2 is from 2008:
Think about it this way: In 1978, there were effectively only three educational levels. By 2008, there were clearly five. If “average is over” means moves toward bimodality – as Tyler has often claimed in personal conversation – then 1978 fits his story better than the world of today.