Student's t test

Meanings

1. Any statistical hypothesis test in which the test statistic has a Student's t-distribution if the null hypothesis is true.

Etymology

From Student, the pen-name of William Sealy Gosset, Irish statistician, who documented this test in a paper in Biometrika. Through the popularization of this test in the work of Ronald Fisher, who referred to it as a test for value "t" to check for Student's distribution.