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. 2001.

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• Student's t-distribution — 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 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 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} …   Australian English dictionary

• Student's t distribution — noun A distribution that arises when the population standard deviation is unknown and has to be estimated from the data. Syn: Students t, t distribution See Also: Students t test …   Wiktionary

• 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

• Student's t-test — /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's t-test — /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] …   Useful english dictionary

• Student's t-Verteilung — Dichten von t verteilten Zufallsgrößen Die Studentsche t Verteilung (auch Student t Verteilung) ist eine Wahrscheinlichkeitsverteilung, die 1908 von William Sealey Gosset entwickelt wurde. Er hatte festgestellt, dass der standardisierte… …   Deutsch Wikipedia