Stem-and-leaf Plots

A stem-and-leaf plot is used to

• A.

  Display data

• B.

  Describe the median

• C.

  Describe the range

List the data values in the stem-and-leaf plot.0       1 5 71       2 4 6 82       0 1 7 9 3       3 3 4 6

Create a stem-and-leaf plot of the data values.72, 43, 75, 57, 81, 65, 68, 73, 84, 91, 76, 82, 88

Use the given data to make a table. In 1980, 89% of energy used in the United States was from fossil fuels. 3% was from nuclear power, and 7% from renewable resources. In 1990, 86% was from fossil fuels, 7% from nuclear power, and 7% from renewable resources. In 2000, 85% was from fossil fuels, 8% from nuclear power, and 7% from renewable sources.

Name two uses for using a stem-and leaf-plot to display data.