This site, presented by the Department of Statistics at Yale University, gives an explanation of, a definition for and an example of sample means. Topics include mean, variance, distribution, and the central limit...

Using the Fisher r-to-z transformation, this page will calculate a value of z that can be applied to assess the significance of the difference between r, the correlation observed within a sample of size n and rho, the...

This group activity illustrates the concepts of size and power of a test through simulation. Students simulate binomial data by repeatedly rolling a ten-sided die, and they use their simulated data to estimate the size...

This article, created by Dennis O. Chanter of Huntingdon Research Centre, provides fun, "real life" examples of various statistical concepts, which can enliven lecture and illustrate such concepts for better...

Created by faculty at Grand Valley State University, this article describes an interactive activity illustrating sampling distributions for means, properties of confidence intervals, properties of hypothesis testing,...