We all know this of course,
...but it's always good to be reminded. Bill James writes:
It's never safe to generalize from a sample of one.
The entire exchange:
Gregg Jefferies did an extraordinary amount of practice as a teenager, and he also peaked at an early age. To what extent are those related, if at all?Asked by: 110philAnswered: 10/27/2014Paul McCartney did an extraordinary amount of singin' and guitar playin' as a teenager--and it still touring today. It's never safe to generalize from a sample of one.