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.
So the world was shocked with Al Gore and his wife Tipper split in June 2010 - just a year after their daughter announced a divorce. But Kristin Gore, 34, claims although she was âreally rattledâ by what happened, the former vice president and his wife are still in love. Enlarge.