Tweeted By @StatsbyLopez
Great example of Simpson’s Paradox in the wild.
— Michael Lopez (@StatsbyLopez) August 10, 2021
Among all UK residents, mortality rate is 2.4x higher among vaccinated.
But when broken into age groups, mortality rate is either 1.5x higher (<50 years old) or 3.5x higher (> 50 years old) among unvaccinated
H/t Matt Brenneman pic.twitter.com/KRSjLpGUiH