student t distribution

Student's t distribution

noun Statistics.
a bell-shaped probability distribution that is flatter or more stretched out than the normal distribution.
Also, Student t distribution.
Also called t distribution.

1925–30; after Student, pseudonym of William Sealy Gosset (1876–1937), English statistician; t represents a random variable in the equation describing this type of distribution Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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