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chi-square test

American  
Also chi-squared test

noun

Statistics.

  1. a test devised by Karl Pearson that uses the quantity chi-square for testing the mathematical fit of a frequency curve to an observed frequency distribution.

chi-square test British  

noun

  1. statistics a test derived from the chi-square distribution to compare the goodness of fit of theoretical and observed frequency distributions or to compare nominal data derived from unmatched groups of subjects

"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 chi-square test

First recorded in 1935–40

Example Sentences

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What is the chi-square test statistic and the p-value?

From Textbooks • Mar. 27, 2020

Stated in general terms, what are the null and alternative hypotheses for the chi-square test of independence?

From Textbooks • Sep. 19, 2013

What are the degrees of freedom for this chi-square test?

From Textbooks • Sep. 19, 2013

What is the chi-square test statistic and the p-value.

From Textbooks • Sep. 19, 2013

Stated in general terms, what are the null and alternative hypotheses for the chi-square test of homogeneity?

From Textbooks • Sep. 19, 2013

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.