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Chi-Square Distribution

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.

Year introduced: 1990

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Tree Number(s): E05.318.740.994.300, G17.820.300, N05.715.360.750.750.200, N06.850.520.830.994.300

MeSH Unique ID: D016009

Entry Terms:

  • Chi Square Distribution
  • Chi-Square Distributions
  • Distribution, Chi-Square
  • Distributions, Chi-Square
  • Chi-Square Test
  • Chi Square Test
  • Chi-Square Tests
  • Test, Chi-Square
  • Tests, Chi-Square

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