Sampling Error

It's hard to generalize.

Saturday, October 28, 2017

https://t.co/UvpcIUbxDG

https://t.co/UvpcIUbxDG
— Douglas Allen (@DouglasHAllen) October 28, 2017

from Twitter https://twitter.com/DouglasHAllen

Doug at 10/28/2017 03:29:00 PM

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