- Mann-Whitney rank sum test
- критерий ранговых сумм Манна-Уитни, U-критерий
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Mann-Whitney rank sum test
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Mann–Whitney U — In statistics, the Mann–Whitney U test (also called the Mann–Whitney–Wilcoxon (MWW) or Wilcoxon rank sum test) is a non parametric statistical hypothesis test for assessing whether one of two samples of independent observations tends to have… … Wikipedia
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
Mann-Whitney test — Mann Whit·ney test (manґ hwitґne) [Henry Berthold Mann, Austrian born American mathematician, 1905–2000; Donald Ransom Whitney, American statistician, 1915–2007] rank sum test; see under test … Medical dictionary
Mann-Whitney U — In statistics, the Mann Whitney U test (also called the Mann Whitney Wilcoxon (MWW), Wilcoxon rank sum test, or Wilcoxon Mann Whitney test) is a non parametric test for assessing whether two samples of observations come from the same distribution … Wikipedia
Mann-Whitney test — Mann Whitney U test, Mann Whitney Wilcoxon test rank sum t … Medical dictionary
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
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
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
Pearson's chi-squared test — (χ2) is the best known of several chi squared tests – statistical procedures whose results are evaluated by reference to the chi squared distribution. Its properties were first investigated by Karl Pearson in 1900.[1] In contexts where it is… … 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
Chi-squared test — Chi square test is often shorthand for Pearson s chi square test. A chi square test, also referred to as chi squared test or χ2 test, is any statistical hypothesis test in which the sampling distribution of the test statistic is a chi square… … Wikipedia
