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.
At least four times in the past year, Al Gore has passed up opportunities to endorse Hillary Clintonâs presidential campaign, brushing off questions from People magazine and other media outlets with the admonition that itâs still too early in the Democratic primary process for him to take sides.