student's t-distributionIn statistics, a way of testing how closely a model of population corresponds to the results of sampling. t is given by 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 STATISTICSAlso on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History |