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 1988, Gore made a bid for the Democratic nomination for the presidency. He won five southern states on Super Tuesday, but eventually lost to Michael Dukakis. Gore remained in the Senate until presidential candidate Bill Clinton chose him as his running mate in 1992.