Annenberg Foundation
Annenberg Learner: Making a Stem and Leaf Plot
A line plot may not be a useful graph for investigating variation so we must come up with a new representation based on groups of data. Construct a stem and leaf plot from a set of 26 data values.
Math Planet
Math Planet: Stem and Leaf Plots and Box and Whiskers Plot
Discover how to use stem-and-leaf plots and box-and-whisker plots to visualize data by taking a look at examples and a video lesson.
National Council of Teachers of Mathematics
Nctm: Illuminations: Advanced Data Grapher
The Advanced Data Grapher can be used to analyze data with box plots, bubble graphs, scatterplots, histograms, and stem-and-leaf plots.