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.
Al and Tipper Gore Split After 40 Years of Marriage. But as their marriage passed the 40-year mark, their paths and expectations diverged, former Gore campaign manager Tony Coelho said. She went and did her thing, he said of Tipper Gore. She was supportive, but she didn't share the world stage with him..