Types of Graphs. 1  Types of Graphs: Bar Graphs. 2  Types of Graphs: Box and Whiskers (Boxplots) 3  Types of Graphs: Frequency Distributions.  Types of Graphs: 1  Histogram. Types of Graphs: Line Graphs.  Types of Graphs: Pie 1  Graphs. Types of Graphs: Scatter Graphs.  Types of Graphs: Stemplots.
The 1950s. By the end of the war, TVA had completed a 652-mile navigation channel the length of the Tennessee River, and had become the nationâs largest electricity supplier.
How TVA Helps the Economy Many people know that TVA is Americaâs largest public power company and that it helps reduce flood damage and make the Tennessee River easier to navigate. But did you know that TVA also helps bring new companies to the Tennessee Valley so that there will be more jobs available. And it helps keep companies here so that the jobs they provide donât go away.