Preferred Term:
chi-square distribution
Definition:
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.
Concept Schemes:
NALT Full
Broader Concept:
Entry Terms:
- chi-square test
URI:
https://lod.nal.usda.gov/nalt/255749
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RDF/XMLCreated 2015-06-12, last modified 2020-01-08