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Chi-Square Distribution

"Chi-Square Distribution" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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A distribution in which a variable is distributed like the sum of the squares of any given independent random variable, each of which has a normal distribution with mean of zero and variance of one. The chi-square test is a statistical test based on comparison of a test statistic to a chi-square distribution. The oldest of these tests are used to detect whether two or more population distributions differ from one another.


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This graph shows the total number of publications written about "Chi-Square Distribution" by people in this website by year, and whether "Chi-Square Distribution" was a major or minor topic of these publications.
Bar chart showing 120 publications over 21 distinct years, with a maximum of 15 publications in 2010 and 2012
To see the data from this visualization as text, click here.