Header Ads

“You don’t have to,” Elias replied. “That’s the magic of . If you stir a giant pot of soup, you only need one spoonful to know if it needs salt. As long as your spoonful—your Sample —is representative of the whole pot, you can describe the entire city with shocking accuracy.”

Across from her sat Elias, a veteran statistician with a penchant for analogies and strong espresso.

The average, where everyone’s price is added up and shared equally.