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.
In his 2000 presidential campaign, Gore won the Democratic presidential nomination after facing down an early challenge from former Senator Bill Bradley. Gore chose Senator Joseph Lieberman of Connecticut as his running mate, the first Orthodox Jew ever to be named on the ticket for a major national party.