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.
Friends of the Gores are quick to point out that Al Gore was hardly unhappy as a congressman, senator or vice president, and that, for nearly 25 years, he and Mrs. Gore made the most of their lives in the Washington spotlight. Still, these friends said that the Gores now seem as content as they have ever been.