Enter a word or phrase in any language 👆
Language:
Translation and analysis of words by ChatGPT artificial intelligence
On this page you can get a detailed analysis of a word or phrase, produced by the best artificial intelligence technology to date:
- how the word is used
- frequency of use
- it is used more often in oral or written speech
- word translation options
- usage examples (several phrases with translation)
- etymology
What (who) is F-test - definition
F-test
STATISTICAL HYPOTHESIS TEST, MOSTLY USING MULTIPLE RESTRICTIONS
F test; F Test; F statistic; F-test statistic; Variance ratio statistic; Partial f test
An F-test is any statistical test in which the test statistic has an F-distribution under the null hypothesis. It is most often used when comparing statistical models that have been fitted to a data set, in order to identify the model that best fits the population from which the data were sampled.
Test Card F
BBC TEST CARD
Test Card J; Test Card W; Test card F; Bubbles the Clown; Bubbles The Clown; Bubbles the clown; Test Card X
Test Card F is a test card that was created by the BBC and used on television in the United Kingdom and in countries elsewhere in the world for more than four decades. Like other test cards, it was usually shown while no programmes were being broadcast.
Test (biology)
![Sea urchin tests (''[[Coelopleurus exquisitus]]'' on a ''[[Phyllacanthus imperialis]]'').](https://commons.wikimedia.org/wiki/Special:FilePath/Sea urchin tests.jpg?width=200 "Sea urchin tests (''[[Coelopleurus exquisitus]]'' on a ''[[Phyllacanthus imperialis]]'').")
![purple sea urchin]].](https://commons.wikimedia.org/wiki/Special:FilePath/Sea urchin test structure (8340336761).jpg?width=200 "purple sea urchin]].")
![Test of an irregular sea urchin (''[[Echinocardium]]'').](https://commons.wikimedia.org/wiki/Special:FilePath/Echinocardium-fd.jpg?width=200 "Test of an irregular sea urchin (''[[Echinocardium]]'').")
![[[Foraminiferan]]s' tests from the [[Adriatic]] Sea.](https://commons.wikimedia.org/wiki/Special:FilePath/3339e Croatie Pag.jpg?width=200 "[[Foraminiferan]]s' tests from the [[Adriatic]] Sea.")
HARD SHELL OF SOME SPHERICAL MARINE ANIMALS, NOTABLY SEA URCHINS AND MICROORGANISMS SUCH AS TESTATE FORAMINIFERANS, RADIOLARIANS, AND TESTATE AMOEBAE
Test (shell); Test (zoology)
In biology, a test is the hard shell of some spherical marine animals, notably sea urchins and microorganisms such as testate foraminiferans, radiolarians, and testate amoebae. The term is also applied to the covering of scale insects.
