Correlation or Causation? - Businessweek

Correlation or Causation? - Businessweek:

The pictures/graphs will be more memorable than a long discussion!

"Need to prove something you already believe? Statistics are easy: All you need are two graphs and a leading question"

H/T to Holly S for the link! 

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• Correlation vs. Causation (A Mathographic) (seomoz.org)
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