Select Statistics Interactives and Visualizations
These resources have been hand-picked for their easy-to-follow interfaces and general helpfulness. They are in no way meant to be a complete picture of resources—the closest thing to that is the Math Overview Page, aka Awesome Math.
General
Introduction to Statistics: A Modeling Approach
Teacups, Giraffes, and Statistics
Visualizations by R Psychologist
Odds and Ends: Introducing Probability & Decision with a Visual Emphasis
Bayesian
The Taxi-cab Problem Explorable Explanation
Other Specific Topics
Ordinary Least Squares Regression