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 Gore planted a wet one on wife Tipper in 2000, during his presidential campaign. Ten years later the couple separated after 40 years of marriage. Al Gore stood with daughter Kristin and estranged wife Tipper last weekend for the California wedding of his daughter Sarah. Tipper Gore, who is exploring her passion for photography, snapped shots of her youngest daughter at the informal affair.