/ Dictionary / Index S Student's t-test: Meaning and Definition of Find definitions for: Student's t-test Pronunciation: (tē'test"), [key] — Statistics. Statistics. a test for determining whether or not an observed sample mean differs significantly from a hypothetical normal population mean. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Student's t distribution student teacher Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language