History of the Tennessee Valley Authority

TVA History - Facts, Timeline & Meaning

Tennessee Valley Authority - TVA - Tennessee Culture - Tennessee Historical Society

TVA Group cuts 30 jobs as CEO blames streamers, regulators

Various dams and hydroelectric facilities operated by the Tennessee Valley Authority.

Various dams and hydroelectric facilities operated by the Tennessee Valley Authority.

An article in the ASCE Journal of Energy Engineering "Overview of Reservoir Release Improvements at 20 TVA Dams" (Vol. 125, April 1999, pp. 1-17) presents data on dissolved oxygen concentrations in streams below 20 dams in the Tennessee Valley Authority system. The observations are (in milligrams per liter): 5.0, 3.4, 3.9, 1.3, 0.2, 0.9, 2.7, 3.7, 3.8, 4.1, 1.0, 1.0, 0.8, 0.4, 3.8, 4.5, 5.3, 6.1, 6.9, and 6.5.(a) Test the hypothesis H0: μ = 4 versus H1: μ ≠ 4 (!= means not equal). Use α = 0