The t test is a two-tailed test because the tail of the distribution on each side of the mean is analyzed. For many laboratory measurements or clinical trials, one would want a two tailed test because the value or the outcome could be either above or below the mean.
Al Gore, in full Albert Arnold Gore, Jr. (born March 31, 1948, Washington, D.C., U.S.), 45th vice president of the United States (1993â2001) in the Democratic administration of President Bill Clinton.
Gore, a former senator from Tennessee who served as President Bill Clintonâs vice president from 1993 to 2001, is considered one of the first politicians to recognize the dangers of carbon dioxide emissions, a cause of human-induced global warming.