chi-square distribution
noun
: a probability density function that gives the distribution of the sum of the squares of a number of independent random variables each with a normal distribution with zero mean and unit variance, that has the property that the sum of two or more random variables with such a distribution also has one, and that is widely used in testing statistical hypotheses especially about the theoretical and observed values of a quantity and about population variances and standard deviations
Dictionary Entries Near chi-square distribution
Cite this Entry
“Chi-square distribution.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/chi-square%20distribution. Accessed 26 Nov. 2024.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share