This tool lets you calculate the probability that a random variable X is in a specified range, for a variety of probability distributions for X: the normal distribution, the binomial distribution with parameters n and p,...

This page, created by Virginia Tech's Department of Statistics, provides users with a myriad of different applets presenting different probability distributions. Some of these include: binomial, Poisson, negative...

This compendium, created by Dr. Michael P. McLaughlin, describes distributions appropriate for the modeling of random data. The number of distributions, fifty-six, is large, including: continuous distributions (30),...

This online, interactive lesson on special distributions provides examples, exercises, and applets covering normal, gamma, chi-square, student t, F, bivariate, normal, multivariate normal, beta, weibull, zeta, pareto,...

This tutorial, created by Laura Little of the University of Washington, exposes students to conducting t-tests in SPSS. This html based tutorial provides extensive screen shots and two example data sets. Topics covered...