Activity Description View stem-and-leaf plots of your own data, and then practice finding means, medians and modes. Parameters: Data

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Stem and Leaf Plotter

Place in mathematics curriculum:

• introduce the idea of a stem-and-leaf plot.
• introduce or reinforce the process of finding the mean, median, and mode of a set of data.

This activity generates a stem and leaf plot from data that the user enters. Users must have data to enter in order to effectively use this applet. This activity would work well in groups of two to four for about thirty minutes if you use the exploration questions and ten to fifteen minutes otherwise.

Preparations for this activity:

• discuss stem-and-leaf plots, how to construct one, and how to interpret one.
• give implicit directions on what they are to do. For example "Today we are going to practice making and interpreting stem-and-leaf plots."
• answer the question "What is a mean/median/mode?"