History by the Numbers
Analyzing Numerical Data

By using the data from a table to draw a graph, you can see patterns more easily. Your graph should look like the one below. If it does not, review the data set that you used to create the graph and make any required corrections.

Look at the chart below and compare the two graphed lines. When you are ready, click the "NEXT" button to try your hand at four questions about the data from this primary source.