t distribution
Americannoun
noun
Etymology
Origin of t distribution
First recorded in 1955–60; see origin at Student's t distribution
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
As the number surveyed increases, the area to the left of –1 for the Student’s t distribution approaches the area for the standard normal distribution.
From Textbooks ● Mar. 27, 2020
Mathematically, as the degrees of freedom increase, the t distribution approaches the standard normal distribution.
From Textbooks ● Nov. 29, 2017
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
He therefore created the Student's t distribution as a ratio of the normal distribution and Chi squared distribution.
From Textbooks ● Nov. 29, 2017
The test statistic is written as a student's t distribution, but if the sample size is larger enough so that the degrees of freedom are greater than 30 we may again use the normal distribution.
From Textbooks ● Nov. 29, 2017
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.