t distribution

American

[tee dis-truh-byoo-shuhn] / ˈti dɪs trəˌbju ʃən /

Or t-distribution

noun

Statistics.

a bell-shaped probability distribution that is flatter or more stretched out than the normal distribution.

t distribution British

noun

See Student's t

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of t distribution

First recorded in 1955–60; see origin at Student's t distribution

Example Sentences

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t distribution

Distribution: Student’s t distribution with n – 1 degrees of freedom.

From Textbooks ● Mar. 27, 2020

What the Student's t distribution does is spread out the horizontal axis so it takes a larger number of standard deviations to capture the same amount of probability.

From Textbooks ● Nov. 29, 2017

The Student's t distribution has one of the most desirable properties of the normal: it is symmetrical.

From Textbooks ● Nov. 29, 2017

As the sample size increases, the Student's t distribution become more and more like the normal distribution.

From Textbooks ● Nov. 29, 2017

The difference is that the students t distribution is symmetrical and the Chi squared distribution is not.

From Textbooks ● Nov. 29, 2017

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023