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

All MeSH Categories
Analytical, Diagnostic and Therapeutic Techniques and Equipment Category
Investigative Techniques
Epidemiologic Methods
Statistics as Topic
Statistical Distributions
Chi-Square Distribution

All MeSH Categories
Phenomena and Processes Category
Mathematical Concepts
Statistical Distributions
Chi-Square Distribution

All MeSH Categories
Health Care Category
Health Care Quality, Access, and Evaluation
Quality of Health Care
Health Care Evaluation Mechanisms
Statistics as Topic
Statistical Distributions
Chi-Square Distribution

All MeSH Categories
Health Care Category
Environment and Public Health
Public Health
Epidemiologic Methods
Statistics as Topic
Statistical Distributions
Chi-Square Distribution