University of Illinois
University of Illinois: Linear Regression Applet
This applet allows you to plot up to fifty points and it will display a best fit line and give you the slope of that line.
PBS
Pbs: The Lowdown: What You Need to Know About Immigration Reform
Interpret graphs showing changes over time in the percentage of foreign-born US residents and in annual deportations in this interactive from KQED. In the accompanying classroom activity, students use the interactive and look at how...