 Student's t distribution

A distribution that arises when the population standard deviation is unknown and has to be estimated from the data.Syn: Students t, t distributionSee Also: Students t test
Wikipedia foundation.
Wikipedia foundation.
Student's tdistribution — Student s distribution or Student s t distribution, Statistics. a distribution used to estimate the standard deviation of a population on the basis of the standard deviation of a small sample; t distribution. As the size of the sample increases,… … Useful english dictionary
Student's tdistribution — 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 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
Student's t distribution — noun Statistics a continuous distribution which approximates the normal distribution for a small population. Also, t distribution. {from Student, pen name of WS Gosset, 1876–1937, British statistician} …
student's t distribution — noun Usage: often capitalized S Etymology: Student, pen name of W. S. Gosset died 1937 British statistician Date: 1929 t distribution … New Collegiate Dictionary
Student's distribution — or Student s t distribution, Statistics. a distribution used to estimate the standard deviation of a population on the basis of the standard deviation of a small sample; t distribution. As the size of the sample increases, the distribution… … Useful english dictionary
Student's ttest — 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
Student's ttest — /tee test /, Statistics. a test for determining whether or not an observed sample mean differs significantly from a hypothetical normal population mean. [1945 50; see STUDENT S T DISTRIBUTION] * * * ▪ statistics in statistics, a method of… … Universalium
Student (disambiguation) — A student is a school or class attendee.Student may also mean:*The pseudonym of William Sealey Gosset *Student s t test, a statistical technique *Student s t distribution, a probability distribution * THE STUDENT S, former name of the Japanese… … Wikipedia