None of the seven claims below is a lie. Every number in them is arithmetically correct — and every one of them is built on a live simulation you can take apart. Move the controls until the trick shows itself, then name what went wrong.
Take it apart
Seven claimspick one to begin
The claims
What is wrong with this claim?
Carry this with you
Four questions for any statistic you meet in the wild. 1. Where did these numbers come from, and who is missing? 2. Compared to what? 3. How big is the change in absolute terms? 4. What else could produce this pattern?