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Rural Electrification On-line Lesson Home page Student Activity
 

History by the Numbers
Analyzing Numerical Data

 

By using the data from a table to draw a graph, it becomes easier to see patterns. 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.

 

graph illustrating the percentage of urban homes with electrical service compared to the percentage of all homes with electrical service from 1920 to 1956

Source: U.S. Department of Commerce, Bureau of the Census, Historical Statistics of the United States: Colonial Times to 1970. (Washington, DC.: Government Printing Office, 1975), p. 827.
 
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