chi-square test

chi-square test
any statistical hypothesis test in which the test statistic has a chi-square distribution if the null hypothesis is true

Wikipedia foundation.

Игры ⚽ Нужно сделать НИР?

Look at other dictionaries:

  • 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 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 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 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 — 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 — 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 — /ˈkaɪ skwɛə ˌtɛst/ (say kuy skwair .test) noun Statistics a test devised to assess the mathematical goodness of fit of a frequency curve to an observed frequency distribution …  

  • chi-square test — a statistical method assessing the goodness of fit between a set of observed values and those expected theoretically. → chi …   English new terms dictionary

  • chi-square test — ( 2)    A statistical test to determine how closely an observed set of data values correspond to the values expected, under a specific hypothesis …   Forensic science glossary

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”