Student's t-distribution — Probability distribution name =Student s t type =density pdf cdf parameters = u > 0 degrees of freedom (real) support =x in ( infty; +infty)! pdf =frac{Gamma(frac{ u+1}{2})} {sqrt{ upi},Gamma(frac{ u}{2})} left(1+frac{x^2}{ u} ight)^{ (frac{… … Wikipedia
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
Noncentrality parameter — Noncentrality parameters are parameters of families of probability distributions which are related to other central families of distributions. If the noncentrality parameter of a distribution is zero, the distribution is identical to a… … Wikipedia
Stjudento koeficientas — statusas T sritis chemija apibrėžtis Koeficientas, iš kurio, siekiant įvertinti matavimo rezultatų neapibrėžtį, dauginama vidutinio kvadratinio nuokrypio vertė, gauta atlikus baigtinį matavimų skaičių. atitikmenys: angl. Student parameter rus.… … Chemijos terminų aiškinamasis žodynas
коэффициент Стьюдента — Stjudento koeficientas statusas T sritis chemija apibrėžtis Koeficientas, iš kurio, siekiant įvertinti matavimo rezultatų neapibrėžtį, dauginama vidutinio kvadratinio nuokrypio vertė, gauta atlikus baigtinį matavimų skaičių. atitikmenys: angl.… … Chemijos terminų aiškinamasis žodynas
Cauchy distribution — Not to be confused with Lorenz curve. Cauchy–Lorentz Probability density function The purple curve is the standard Cauchy distribution Cumulative distribution function … Wikipedia
Noncentral t-distribution — Noncentral Student s t Probability density function parameters: degrees of freedom noncentrality parameter support … Wikipedia
Pearson distribution — The Pearson distribution is a family of continuous probability distributions. It was first published by Karl Pearson in 1895 and subsequently extended by him in 1901 and 1916 in a series of articles on biostatistics. History The Pearson system… … Wikipedia
Normal distribution — This article is about the univariate normal distribution. For normally distributed vectors, see Multivariate normal distribution. Probability density function The red line is the standard normal distribution Cumulative distribution function … Wikipedia
Bayes' theorem — In probability theory, Bayes theorem (often called Bayes law after Thomas Bayes) relates the conditional and marginal probabilities of two random events. It is often used to compute posterior probabilities given observations. For example, a… … Wikipedia