Medical dictionary. 2011.
Two-tailed test — The two tailed test is a statistical test used in inference, in which a given statistical hypothesis, H0 (the null hypothesis), will be rejected when the value of the test statistic is either sufficiently small or sufficiently large. This… … Wikipedia
Two-Tailed Test — A statistical test in which the critical area of a distribution is two sided and tests whether a sample is either greater than or less than a certain range of values. If the sample that is being tested falls into either of the critical areas, the … Investment dictionary
Two-tailed — may refer to:In entomology:* Two tailed Pasha, butterfly which can be seen only in the Mediterranean regions in August and September * Two tailed Swallowtail, large North American butterflyIn other fields:* Two tailed Dog Party, joke political… … Wikipedia
two-tailed — ¦ ̷ ̷ ˈ ̷ ̷ adjective also two tail ¦ ̷ ̷ ¦ ̷ ̷ : being a statistical test for which the critical region consists of all values of the test statistic greater than a given value plus the values less than another given value compare one tailed… … Useful english dictionary
two-tailed — also two tail adjective Date: 1945 being a statistical test for which the critical region consists of all values of the test statistic greater than a given value plus the values less than another given value compare one tailed … New Collegiate Dictionary
Student's t-test — A t test is any statistical hypothesis test in which the test statistic follows a Student s t distribution if the null hypothesis is supported. It is most commonly applied when the test statistic would follow a normal distribution if the value of … Wikipedia
Fisher's exact test — is a statistical significance test used in the analysis of categorical data where sample sizes are small. It is named after its inventor, R. A. Fisher, and is one of a class of exact tests. Fisher devised the test following a comment from Muriel… … Wikipedia
Binomial test — In statistics, the binomial test is an exact test of the statistical significance of deviations from a theoretically expected distribution of observations into two categories.For example, suppose we have a board game that depends on the roll of a … Wikipedia
Welch's t test — In statistics, Welch s t test is an adaptation of Student s t test intended for use with two samples having possibly unequal variances. As such, it is an approximate solution to the Behrens–Fisher problem.FormulasWelch s t test defines the… … Wikipedia
Page's trend test — In statistics, the Page test for multiple comparisons between ordered correlated variables is the counterpart of Spearman s rank correlation coefficient which summarizes the association of continuous variables. It is also known as Page s trend… … Wikipedia
