Simpson’s paradox

The times they are a-changin’.

This post seems to be older than 8 years—a long time on the internet. It might be outdated.

“A common example of Simpson’s Paradox involves the batting averages of players in professional baseball. It is possible for one player to hit for a higher batting average than another player during a given year, and to do so again during the next year, but to have a lower batting average when the two years are combined.”

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