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.
The âAl Gore claimed he âinventedâ the Internetâ put-downs were misleading distortions that originated wjth a campaign interview conducted by Wolf Blitzer on CNNâs âLate Editionâ program on 9 March 1999. (Gore, then the sitting Vice President, was seeking the 2000 Democratic presidential nomination.)