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.
A Summary of the Events Leading Up to the Al Gore Divorce. In June of 2010, former Vice President Al Gore and his wife Tipper Gore released an email sent to their close personal friends alerting them of that the couple would be undergoing a divorce.