Showing results for Student's t. Search instead for student-s-t.

Student's t

British

noun

a statistic often used to test the hypothesis that a random sample of normally distributed observations has a given mean, μ; given by t = ( ̄x– μ) √n/s where ̄x is the mean of the sample, s is its standard deviation, and n is the size of the sample

"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 Student's t

after Student, the pen name of W. S. Gosset (1876–1937), English statistician and research scientist

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.

This relationship between the Student's t distribution and the normal distribution is shown in Figure 8.8.

From Textbooks • Nov. 29, 2017

And as we did before, we used a Student's t to compensate for this lack of information on the population variance.

From Textbooks • Nov. 29, 2017

The Student's t distribution thus is tied to the normal distribution, but has degrees of freedom that come from those of the Chi squared distribution.

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

From Textbooks • Nov. 29, 2017

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