Math 2.0

Probability theory and stochastic processes Probability distributions Concept

Chi-squared distribution

Summary

The chi-squared distribution with kk degrees of freedom is the law of a sum of the squares of kk independent standard normal random variables. It is central in tests and confidence intervals for variances. The node chi-squared distribution gives the precise definition.

Where this leads

1 page builds on this one.

Further reading

  1. Web https://en.wikipedia.org/wiki/Chi-squared_distribution, lead section
About this page
Tag0A9EB0KQBC
URIm2://0A9EB0KQBC
Aliaseschi-square-distribution, chi-squared
Kindconcept
WritingW1 stated
MSC60E05, 62E15
SpecializesGamma distribution
Same as

Markdown · JSON · Edit on GitHub

What this page needs for W2

  • edge instance_of in: at least two examples (0 of 2)
  • edge not_instance_of in: at least one non-example (0 of 1)

The writing levels say how complete the text of a page is. They do not measure its truth.

What links here

Definitions

Used by