Worlds of David Darling
Encyclopedia of Science
   
Home > Encyclopedia of Science

student's t-distribution




In statistics, a way of testing how closely a model of population corresponds to the results of sampling. t is given by
Student's t-distribution
where n is the number of items in the sample, s the sample standard deviation, x-bar the sample mean, and μ the mean of the normal distribution, which is one's model.


Related category

   • PROBABILITY AND STATISTICS