One of the links on this blog is to Junk Charts, which shows and discusses all kinds of good and bad graphics found in various news sources. It reminded me of one bad graph that was printed in Amstat News of all places, showing that statisticians (or at least statistics-related publications) aren’t immune to graphical mishaps.
The different coding schemes correspond to how many times the JSM has been held in each state between 1953 and 2002. But the coding schemes are a little too psychadelic and make my head swim, in addition to being difficult to differentiate. And you might expect the amount of color to have something to do with the number of JSMs; but no, the darkest states are those with only two meetings, while the much lighter grey states have had five.
The next month Amstat News published a letter to the editor, saying basically the same things.