Purple Math
Purplemath: Scatterplots and Regressions
Explains the purpose of scatterplots, and demonstrates how to draw them.
PBS
Pbs Teachers: Sports and Math: Will Women Athletes Ever Catch and Surpass
Explore, explain and make conclusions based on graphs of scatter plots of the Olympic records for men and women in the same event over the same years. Plot x- and y-values, and create linear equations from the data.
Khan Academy
Khan Academy: Interpreting Slope and Y Intercept of Lines of Best Fit
Practice explaining the meaning of slope and y-intercept for lines of best fit on scatter plots. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video, or receive hints.