View stem-and-leaf plots of your own data, and then practice finding means, medians and modes. StemandLeaf Plotter is one of the Interactivate assessment explorers.
This activity allows the user to explore the polar coordinate system. The applet is similar to GraphIt, but instead allows users to explore the representation of a function in the polar coordinate system.
This worksheet is for use with the lesson Comparison of Univariate and Bivariate Data (http://www.shodor.org/interactivate/lessons/UnivariateBivariateData/).