What Statistics Can and Can’t Tell Us About Ourselves  | The New Yorker

Very good article about statistics and their limitations.  Should be required reading for medical students and health journalists.  Contains my new favorite example (attributed to mathematician Ian Stewart) of the ecological fallacy:

The average person has one breast and one testicle.

In the era of Big Data, we’ve come to believe that, with enough information, human behavior is predictable. But number crunching can lead us perilously wrong.

Source: What Statistics Can and Can’t Tell Us About Ourselves  | The New Yorker