Harold Hotelling

Harold Hotelling (1895–1973) was an American mathematician and statistician known for his work in various fields, including economics, statistics, and operations research. He is particularly well-known for several contributions: 1. **Hotelling's T-squared Distribution**: This is a multivariate statistical test that generalizes the Student's t-test to higher dimensions. It is used in hypothesis testing for comparing the means of multivariate data.