How can averages fool us?
Average's Sneaky Tricks
How can averages fool us?
Imagine five friends walk into an ice cream shop. Four of them have two dollars each. The fifth friend? She just won the lottery and has ten thousand dollars in her pocket. The average person in that shop has over two thousand dollars. Does that mean they're all rich? Not even close.
An average is just all the numbers added up, then divided by how many numbers you have. It's supposed to tell you what's "typical." But here's the trick: one weird number — really big or really small — can yank the average way off course. That lottery winner pulls the average up so high, it stops meaning anything useful about what's in everyone else's pocket.
