English-Russian glossary of clinical practice. 2002.
Chi-square test — is often shorthand for Pearson s chi square test. A chi square test (also chi squared or chi^2 test) is any statistical hypothesis test in which the test statistic has a chi square distribution when the null hypothesis is true, or any in which… … Wikipedia
chi-square test — chi′ square (or chi′ squared ) test n. sta a test that uses the quantity chi square for testing the mathematical fit of a frequency curve to an observed frequency distribution • Etymology: 1935–40 … From formal English to slang
chi square test — chi kvadrato kriterijus statusas T sritis biomedicinos mokslai apibrėžtis ↑Statistinis kriterijus, dažniausiai taikomas tikrinant ↑kokybinių kintamųjų ryšio hipotezes. atitikmenys: angl. chi square test ryšiai: sinonimas – χ² kriterijus šaltinis… … Lithuanian dictionary (lietuvių žodynas)
chi-square — [kī′skwer′] n. a statistical method used to test whether the classification of data can be ascribed to chance or to some underlying law … English World dictionary
chi-square test — Statistics. a test devised by Karl Pearson that uses the quantity chi square for testing the mathematical fit of a frequency curve to an observed frequency distribution. Also, chi squared test /kuy skwaird /. [1935 40] * * * chi square test UK… … Useful english dictionary
Chi-square distribution — Probability distribution name =chi square type =density pdf cdf parameters =k > 0, degrees of freedom support =x in [0; +infty), pdf =frac{(1/2)^{k/2{Gamma(k/2)} x^{k/2 1} e^{ x/2}, cdf =frac{gamma(k/2,x/2)}{Gamma(k/2)}, mean =k, median… … Wikipedia
chi-square test — UK [ˈkaɪ skweə(r) ˌtest] / US [ˈkaɪ skwer ˌtest] noun [countable] Word forms chi square test : singular chi square test plural chi square tests maths a test used in statistics to find out how accurate a theory was by comparing it with the actual… … English dictionary
chi-square test — Statistics. a test devised by Karl Pearson that uses the quantity chi square for testing the mathematical fit of a frequency curve to an observed frequency distribution. Also, chi squared test /kuy skwaird /. [1935 40] * * * … Universalium
chi-square test — any statistical hypothesis test that employs the chi square (χ2) distribution (q.v.), especially two tests applied to categorical data: the χ2 test of goodness of fit, which tests whether an observed frequency distribution fits a… … Medical dictionary
chi-square test — noun any statistical hypothesis test in which the test statistic has a chi square distribution if the null hypothesis is true … Wiktionary
chi-square — noun A test statistic used in the chi square test … Wiktionary
