The median is the middle number in a sorted ascending or descending list. It can be more descriptive of the dataset than the average. It’s quite different from the mean.

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

“Alina Gataullina, a math major, works with other students as they talk about mathematics in the undergraduate math lounge. (Gregory Urquiaga/UC Davis)” Editor’s note: This story was originally ...