- Wilcoxon rank sum test
- rank sum t.
Medical dictionary. 2011.
Wilcoxon rank sum test
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Wilcoxon rank sum test signed rank test — Wil·cox·on rank sum test, signed rank test (wil kokґsən) [Frank Wilcoxon, American chemist and statistician, 1892–1962] see rank sum test and signed rank test, under test … Medical dictionary
rank sum test — a nonparametric statistical test for ordinal data, testing the null hypothesis that two samples are drawn from the same population versus the alternative hypothesis that the two samples are drawn from two populations having probability… … Medical dictionary
Wilcoxon — is a surname, and may refer to: * Henry Wilcoxon, an actor * Frank Wilcoxon, chemist and statistician, inventor of two non parametric tests for statistical significance: ** The Wilcoxon signed rank test ** The Wilcoxon rank sum test (also known… … Wikipedia
Wilcoxon Test — The Wilcoxon test, which refers to either the Rank Sum test or the Signed Rank test, is a nonparametric test that compares two paired groups. The test essentially calculates the difference between each set of pairs and analyzes these differences … Investment dictionary
Wilcoxon signed-rank test — The Wilcoxon signed rank test is a non parametric alternative to the paired Student s t test for the case of two related samples or repeated measurements on a single sample. The test is named for Frank Wilcoxon (1892 ndash;1965) who, in a single… … Wikipedia
Student's t-test — A t test is any statistical hypothesis test in which the test statistic follows a Student s t distribution if the null hypothesis is supported. It is most commonly applied when the test statistic would follow a normal distribution if the value of … Wikipedia
Frank Wilcoxon — (1892–1965) was a chemist and statistician, known for the development of statistical tests. Frank Wilcoxon was born to American parents on 2 September 1892 in County Cork, IrelandBradley, R.A. (1966) Obituary: Frank Wilcoxon. Biometrics 22(1):… … Wikipedia
Logrank test — In statistics, the logrank test is a hypothesis test to compare the survival distributions of two samples. It is a nonparametric test and appropriate to use when the data are right skewed and censored (technically, the censoring must be non… … Wikipedia
Siegel-Tukey test — In statistics, the Siegel Tukey test is a non parametric test, which applies to data measured at least on an ordinal scale. It tests for the differences in scale between the two groups. It is named after Sidney Siegel and John Tukey.It is used to … Wikipedia
Mann-Whitney test — Mann Whitney U test, Mann Whitney Wilcoxon test rank sum t … Medical dictionary
