Scatter, Correlation, & Regression Applet
SticiGui is a full, interactive stat textbook with lots of applets to illustrate key concepts, dynamic exercises, machine-graded homework etc... This applet allows users to explore concepts related to linear regression. A scatterplot is displayed for which users can select the correlation and sample size. Users can add points by clicking on the graph and can display the standard deviation and regression lines. The view can also be changed to display residual plots.