Sampling Error

It's hard to generalize.

Saturday, September 23, 2017

https://t.co/gnJd7f9hU2

https://t.co/gnJd7f9hU2
— Douglas Allen (@DouglasHAllen) September 23, 2017

from Twitter https://twitter.com/DouglasHAllen

Doug at 9/23/2017 05:04:00 PM

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