**T Distribution** — A type of probability distribution that is theoretical and resembles a normal distribution. A T distribution differs from the normal distribution by its degrees of freedom. The higher the degrees of freedom, the closer that distribution will… … Investment dictionary

**t-distribution** — the probability distribution of the statistic where X and s are the mean and standard deviations of a sample of size n taken from a population with a normal distribution having mean μ; used in the t test (q.v.). It is symmetric about zero… … Medical dictionary

**t distribution** — noun : a probability density function that is used especially in testing hypotheses concerning means of normal distributions whose standard deviations are unknown and that is the distribution of a random variable t = u(√n)/v where u and v are… … Useful english dictionary

**t distribution.** — See Student s t distribution. [1955 60] * * * … Universalium

**t distribution** — /ˈti dɪstrəbjuʃən/ (say tee distruhbyoohshuhn) noun Statistics → Student s t distribution … Australian English dictionary

**t distribution.** — See Student s t distribution. [1955 60] … Useful english dictionary

**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

**Noncentral t-distribution** — Noncentral Student s t Probability density function parameters: degrees of freedom noncentrality parameter support … Wikipedia

**student's t distribution** — noun Usage: often capitalized S Etymology: Student, pseudonym of W.S. Gossett died 1937 British statistician : t distribution herein * * * Statistics. a bell shaped probability distribution that is flatter or more stretched out than the normal… … Useful english dictionary

**Student's t distribution** — Statistics. a bell shaped probability distribution that is flatter or more stretched out than the normal distribution. Also, Student t distribution. Also called t distribution. [1925 30; after Student, pseudonym of William Sealy Gosset (1876… … Universalium