The following are Web addresses for Java Applets for working with the Least Squares Regression line, correlation coeffiecients, and minimizing the sums of squares.

 

http://www.keypress.com/sketchpad/java_gsp/squares.html

Web site for Least Squares Regression Line. It shows geometrically the minimization of the sum of the squares of the residuals of a line.

http://www.keypress.com/fathom/sketches/least_sq.html

Key curriculum statistics applets

http://www.stat.sc.edu/~west/javahtml/Regression.html

Shows the effect of outliers and influential points.

http://www.stat.Berkeley.EDU/users/stark/Java/Correlation.html

Shows LSRL, correlation coefficient and influential points.