Stem and leaf plots:

•

This plot presents a graphical display of the data using the actual numerical values of each data point.

Constructing a Stem and Leaf Plot:

1. Divide each measurement into two parts: the stem and the leaf.

2. List the stems in a column, with a vertical line to their right.

3. For each measurement, record the leaf portion in the same

4. Order the leaves from lowest to highest in each stem.

5. Provide a key to your stem and leaf coding so that the reader can recreate the actual measurements if necessary.

•

See Examples 1.7 and 1.8 for examples of the construction of stem and leaf plots.

©1998 Brooks/Cole Publishing/ITP