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.
Mr. Hayes managed the campaign finances of former Vice President Al Gore, first when Mr. Gore was elected to the House of Representatives in 1976 and in his subsequent Senate campaigns. Mr. Hayes also led the finance efforts for Mr. Goreâs presidential campaigns in 1988 and 2000. In Tennessee, Mr. Hayes led fund-raising efforts for the campaign of Gov. Phil Bredesen in 2002 and again in 2006, when Mr. Bredesen was re-elected.