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.
Electric Home and Farm Authority (EHFA) As part of the TVA (Tennessee Valley Authority), the EHFA purchased inexpensive electrical appliances and then made them available to working people through installment loans with a typical repayment period of three to four years. In an attempt to reduce farm foreclosures, loans were made available to farmers under this agency.