If you haven’t played Guess The Correlation yet, you definitely should – but please read this article first. And make sure you’re not at work. And that you’ve eaten something recently. Once you start playing, you’ll forget whatever else you were doing, or that you were meant to be doing. It’s an addictive little thing.
Developed by Omar Wagih, a PhD student studying bioinformatics at the University of Cambridge and the European Bioinformatics Institute, this web-based game presents randomly-generated scatter plots and asks the player to guess the value of the positive correlation between two depicted variables, X and Y: that is, the extent to which there is a relationship between them, such that if one increases so does, on average, the other.