Reminiscent of Simpson's Paradox, the most famous example being a gender discrimination lawsuit alleging UC Berkeley discriminated against women in admissions (57% men vs. 43% women). It turned out there WAS bias - in favor of the women! "The lawsuit triggered a study. The study results showed that not only were women not discriminated against, but that women had a statistically significant advantage! Here’s what hap…
Exactly what I thought. How this is even considered a paradox is a paradox to me. Human beings just have very strange presuppositions regarding probability and statistics that are almost always wrong.
Univariate analyses can hide lots of interesting things!