Science Education Resource Center at Carleton College
Serc: The Evolution of Pearson's Correlation Coefficient
For this activity, students explore nine scatter plots to develop their understanding of how two quantitative variables are related. Through an exploration of the properties of this association, they come to understand the standard...
US Department of Education
National Center for Education Statistics: Nces Classroom
Just what is the NCES Students' Classroom? In addition to many useful features, this site provides math and statistical activities tailored to a middle and elementary school students.