May 20, 2019

Regression Revisited By Leonard Zwelling http://lenzwelling.blogspot.com/2015/02/regression-to-mean-in-oz.html In February of 2015, I wrote this blog about regression to the mean. This is the statistical phenomenon that describes what happens when you test a large number of people for a trait and get a mean, standard deviation and Gaussian distribution. IQ is a good example. But if […]