Matt, Jackie, and Lucky play a game in which they can win a hat. When Jackie plays and loses, she wonders if this game is fair. She works together with Matt, and they calculate that every player's chance of winning is the same, so it is indeed fair.

Examines the controversial use of expected frequencies in the Dreyfus Affair.

Explains the critical t-value method for two-sample t-tests.

Charlie explains the Texas Sharpshooter fallacy and the statstics of cancer clusters

How degrees of freedom and effect size determine the usefulness of a statistical study.