Vassar College
Vassar College: Multiple Regression
This is an interactive site allowing the student to input data (one dependent and three independent variables) and then letting the computer calculate the regression between these multiple forces.
NC State University
Nc State University: Multiple Regression
Excellent, comprehensive site on multiple regression. Key terms are defined and explained as needed. Links to relevant topics are provided.
University of Baltimore
University of Baltimore: Alternative Approach for Estimating a Regression Line
A quick, three-step approach to estimating the regression line of a set of data known as the "distribution-free method." Written by Dr. Hossein Arsham