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...
40 KB (5,762 words) - 20:13, 16 May 2024
table). The test is valid when the test statistic is chi-squared distributed under the null hypothesis, specifically Pearson's chi-squared test and variants...
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distribution Generalized chi-squared distribution Noncentral chi-squared distribution Pearson's chi-squared test Reduced chi-squared statistic Wilks's lambda...
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which the G-tests are based. The general formula for Pearson's chi-squared test statistic is χ 2 = ∑ i ( O i − E i ) 2 E i . {\displaystyle \chi ^{2}=\sum...
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Goodness of fit (redirect from Goodness-of-fit test)
whether outcome frequencies follow a specified distribution (see Pearson's chi-square test). In the analysis of variance, one of the components into which...
9 KB (1,151 words) - 17:35, 4 January 2024
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...
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Yates's correction for continuity (redirect from Yates' chi-square test)
suggested a correction for continuity that adjusts the formula for Pearson's chi-squared test by subtracting 0.5 from the difference between each observed value...
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confidence intervals are used for matched pairs binary data. Pearson's chi-squared test Chi-squared distribution McNemar, Quinn (June 18, 1947). "Note on the...
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variables, 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...
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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...
6 KB (908 words) - 11:48, 2 May 2024