This case study, by David M. Lane of Rice University, assesses the question, "Do physicians discriminate against overweight patients?" This study indicates that, at least in one respect, they do. Basic concepts are...

These applets, presented by Virginia Tech's Department of Statistics, address the notion of "power." Users can perform one or two tailed tests for proportions or means for one or two samples. Set the parameters and drag...

This site, presented by the Department of Statistics at Yale University gives an explanation, a definition and an example of random variables including discrete and continuous. It also defines a density curve. Overall,...

Created by David Lane of Rice University, this is a simulation illustrating the regression toward the mean phenomenon. The author has created a specific case study to explore, he states it as: "In this simulation, a...

This site provides resources to assist students in understanding introductory statistics. Multimedia instruction, demonstrations, case studies and an analysis lab are provided. Topics covered include analysis of...