Put another way, 70% of self-made billionaires completed college. This strikes me as higher than the national average, so completing college increases the chanc

Put another way, 70% of self-made billionaires completed college. This strikes me as higher than the national average, so completing college increases the chances of you becoming a billionaire. Your conclusion does not follow from the data. http://norvig.com/experiment-design.html http://norvig.com/experiment-design.html Warning Sign I7: Confusing Correlation with Causation