student's t distribution

student's t distribution
noun
Usage: often capitalized S
Etymology: Student, pseudonym of W.S. Gossett died 1937 British statistician

* * *

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]

Useful english dictionary. 2012.

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