Chi-square Definition

kīskwâr
noun
A test statistic that is calculated as the sum of the squares of observed values minus expected values divided by the expected values.
American Heritage
A statistical method used to test whether the classification of data can be ascribed to chance or to some underlying law.
Webster's New World

(mathematics) A test statistic used in the chi-square test.

Wiktionary

Chi-square Sentence Examples

  • The content addressed includes data analysis, correlation, the normal distribution, statistical inference and tests (including the chi-square and t-tests ).

  • Descriptive analyzes to examine the frequency distribution, chi-square test and factor analysis were applied using SPSS.

  • Chi Square Tutorial | Run a demo | Jeff 's demo | Begin chi square | Feedback.

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