Source: http://www.xkcd.com/552/

# Correlation and causation

- Tagged
- correlation
- xkcd

## Published by John Quintanilla

I'm a Professor of Mathematics and a University Distinguished Teaching Professor at the University of North Texas. For eight years, I was co-director of Teach North Texas, UNT's program for preparing secondary teachers of mathematics and science. View all posts by John Quintanilla

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