University of South Florida
Fcat: Drops on a Penny: Teacher Notes
Young scholars learn how to create stem-and-leaf diagrams and boxplots by collecting data on the surface tension of water molecules. This hands-on activity using pennies is a great way to learn how to organize data.
National Council of Teachers of Mathematics
Nctm: Illuminations: Mean and Median Box and Whisker Plotter
A computer applet that will draw any box and whisker plot with student's data input.