This page will calculate the 0.95 and 0.99 confidence intervals for rho, based on the Fisher r-to-z transformation. To perform the calculations, enter the values of r and n in the designated places, then click the...

Professors of the University of Washington, Bothell Campus, have designed this course that aims to apply scientific and mathematical discovery to social science questions. Students are trained “to conduct surveys,...

This chapter of the NIST Engineering Statistics handbook presents the background and specific analysis techniques needed to compare the performance of one or more processes against known standards or one another.€ It...

This activity, created by Webster West of Texas A&M Univesity, illustrates the convergence of long run relative frequency to the true probability. The psychic ability of a student from the class is studied using an...

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...