Showing results for chi-square. Search instead for eight-square.

chi-square

American

[kahy-skwair] / ˈkaɪˌskwɛər /

noun

Statistics.

a quantity equal to the summation over all variables of the quotient of the square of the difference between the observed and expected values divided by the expected value of the variable.

chi-square Scientific

/ kī′skwâr′ /

A test statistic that is calculated as the sum of the squares of observed values minus expected values divided by the expected values.

First recorded in 1935–40

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

chi-square

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

From Textbooks ● Mar. 27, 2020

What is the chi-square statistic and degrees of freedom for this study?

From Textbooks ● Sep. 19, 2013

The key characteristics of the chi-square distribution also depend directly on the degrees of freedom.

From Textbooks ● Sep. 19, 2013

There is a different chi-square curve for each df.

From Textbooks ● Sep. 19, 2013

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

From Textbooks ● Sep. 19, 2013

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