Middle Grades Math Internet Activity

A World of Geography



Communicating with Data

1. The highest point in each of the 50 states is listed at the America's Roof Web site.
  1. Make a scatter plot of the data. Use measurements to the nearest thousand feet.

  2. Are there any outliers in the data? Explain.

  3. Could you make a stem-and-leaf plot of the data? Either do so or explain why you can't.

  4. What are the mean, median, and mode of the data?

2. Using the 50 States and Capitals Web site, find the area and population of all 50 states. You will have to click on each state to gather your information.
  1. Make a scatter plot of the area of the states. Divide the horizontal scale into intervals of ten thousand square feet.

  2. Are there any outliers in the data? Explain.

  3. What are the mean, median, and mode of the data?

3.
  1. Make a scatter plot of the population of the states. Divide the horizontal scale into intervals of millions.

  2. Are there any outliers in the data? Explain.

  3. Are the outliers in 2b and 3b the same? Explain.