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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

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