A chi-squared test (also chi-square or χ2 test) is a statistical hypothesis test used in the analysis of contingency tables when the sample sizes are large...

Pearson's chi-squared test or Pearson's χ 2 {\displaystyle \chi ^{2}} test is a statistical test applied to sets of categorical data to evaluate how likely...

In probability theory and statistics, the chi-squared distribution (also chi-square or χ 2 {\displaystyle \chi ^{2}} -distribution) with k {\displaystyle...

intervals are used for matched pairs binary data. Pearson's chi-squared test Chi-squared distribution McNemar, Quinn (June 18, 1947). "Note on the sampling...

Yates's correction for continuity (or Yates's chi-squared test) is used in certain situations when testing for independence in a contingency table. It aims...

G-tests are likelihood-ratio or maximum likelihood statistical significance tests that are increasingly being used in situations where chi-squared tests...

The term chi-square, chi-squared, or χ 2 {\displaystyle \chi ^{2}} has various uses in statistics: chi-square distribution, a continuous probability distribution...

proportion). Chi-squared tests use the same calculations and the same probability distribution for different applications: Chi-squared tests for variance...

Anderson–Darling test Berk-Jones tests Shapiro–Wilk test Chi-squared test Akaike information criterion Hosmer–Lemeshow test Kuiper's test Kernelized Stein...

The usual rule for deciding whether the chi-squared approximation is good enough is that the chi-squared test is not suitable when the expected values...

involves the observation that Pearson's chi-squared test is an approximate test. Suppose Pearson's chi-squared test is used to ascertain whether a six-sided...

Median test (also Mood’s median-test, Westenberg-Mood median test or Brown-Mood median test) is a special case of Pearson's chi-squared test. It is a...

term chi-squared or χ 2 {\displaystyle \chi ^{2}} has various uses, including the chi-squared distribution, the chi-squared test, and chi-squared target...

Kolmogorov–Smirnov test, adjusted for when also estimating the mean and variance from the data, Shapiro–Wilk test, and Pearson's chi-squared test. A 2011 study...

indices include, but are not limited to, the Chi-Squared test, RMSEA, GFI, AGFI, RMR, and SRMR. The chi-squared test indicates the difference between observed...

2}=0.023.} For two alleles, the chi-squared goodness of fit test for Hardy–Weinberg proportions is equivalent to the test for inbreeding,  F = 0 {\displaystyle...

some values needed when performing a familiar statistical test, Pearson's chi-squared test. This nomogram demonstrates the use of curved scales with unevenly...

statistics, the noncentral chi-squared distribution (or noncentral chi-square distribution, noncentral χ 2 {\displaystyle \chi ^{2}} distribution) is a...

Wonderlic Test Iq test Trust metric Ames test Chi-squared test Draize test Dixon's Q test F-test Fisher's exact test GRIM test Kolmogorov–Smirnov test Kuiper's...

and an ordinal variable with k categories. It modifies the Pearson chi-squared test to incorporate a suspected ordering in the effects of the k categories...

hypothesis can also be tested by using Pearson's chi-squared test   χ 2 = ∑ i = 1 k ( x i − E i ) 2 E i   {\displaystyle ~\chi ^{2}=\sum _{i=1}^{k}{\frac...

overall or a global test. Other names include F-test or Chi-squared test. It is a statistical test implemented on an overall hypothesis that tends to find...

of the Breusch–Pagan test. It is a chi-squared test: the test statistic is distributed nχ2 with k degrees of freedom. If the test statistic has a p-value...

statistics, the reduced chi-square statistic is used extensively in goodness of fit testing. It is also known as mean squared weighted deviation (MSWD)...

giving a value between 0 and +1 (inclusive). It is based on Pearson's chi-squared statistic and was published by Harald Cramér in 1946. φc is the intercorrelation...

colored in green. One-tailed tests are used for asymmetric distributions that have a single tail, such as the chi-squared distribution, which are common...

g. the Z-test, the F-test, the G-test, and Pearson's chi-squared test; for an illustration with the one-sample t-test, see below. If the models are not...

converge to a noncentral chi-squared distribution with possibly different noncentrality parameters. A more general score test can be derived when there...

categorical variables. Bowker's test of symmetry Categorical distribution, general model Chi-squared test Cochran–Armitage test for trend Cochran–Mantel–Haenszel...

as the basis for alternative tests that are much quicker to compute, such as Pearson's chi-squared test and the G-test. However, for small samples these...