🌐EnglishEnglishDeutschFrançaisPolskiفارسیEntityQ5165754· pop 5· linked from 67 articlesContrastcombination of averages whose coefficients add up to zero, or the difference between two meansAvailable in 5 languagesFrançaisDeutschPolskiفارسیvia Wikidata sitelinks · CC0Connectionsanalysis of varianceEntitystatisticsEntityCategoriesAnalysis of varianceMultiple comparisonsRegression analysis