Understanding Probability and Statistics is core to being an active and effective member of society. Many concepts are counter-intuitive and don’t really click until we’ve heard a few different explanations, proofs, or visualizations. Seeing Theory offers some readily available and free visualizations of a fundamental concepts.

It’s not terribly useful as a standalone lesson, but if you’re already studying probability and statistics it’ll offer another angle for poking at these ideas that your professor may have a hard time articulating on a chalkboard.