https://manuals.pqstat.pl/ 2026-05-07T16:52:53+00:00 https://manuals.pqstat.pl/ https://manuals.pqstat.pl/lib/tpl/dokuwiki/images/favicon.ico text/html 2022-02-12T16:14:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://manuals.pqstat.pl/en:statpqpl:porown1grpl:nparpl Non-parametric tests The Wilcoxon test (signed-ranks) The Wilcoxon signed-ranks test is also known as the Wilcoxon single sample test, Wilcoxon (1945, 1949). This test is used to verify the hypothesis, that the analysed sample comes from the population, where median ( text/html 2022-02-12T16:14:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://manuals.pqstat.pl/en:statpqpl:porown1grpl:parpl Parametric tests The t-test for a single sample The single-sample test is used to verify the hypothesis, that an analysed sample with the mean () comes from a population, where mean () is a given value. Basic assumptions: * measurement on an