# exact test

exact test
a statistical test based on the actual probability distribution of the data in the study, rather than on an approximation of it.

Medical dictionary. 2011.

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• Exact statistics — Exact statistics, such as that described in exact test, is a branch of statistics that was developed to provide more accurate results pertaining to statistical testing and interval estimation by eliminating procedures based on asymptotic and… …   Wikipedia

• Fisher exact test — a statistical hypothesis test of independence of rows and columns in a 2 Ð§ 2 contingency table based on the exact sampling distribution of the observed frequencies, useful when any expected value in the table is small …   Medical dictionary

• Test, Fisher’s exact — A statistical test of independence much used in medical research. It tests the independence of rows and columns in a 2 X 2 contingency table (with 2 horizontal rows crossing 2 vertical columns creating 4 places for data) based on the exact… …   Medical dictionary

• Test theories of special relativity — are frameworks, which are used for examinations about the validity of Lorentz symmetry and the existence of a preferred frame of reference. A well known example was created by Reza Mansouri and Roman Ulrich Sexl in 1977. [Citation |… …   Wikipedia

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• Test du Chi-2 — Test du χ²  Pour la loi de probabilité, voir Loi du χ². Densité du χ² en fonction du nombre de degrés de liberté Le test du χ² (prononcer …   Wikipédia en Français