For example, if the mean score on a certain standardized test is 1,200 and the standard deviation of scores is 100, you would expect 95 percent of test takers to get a score within two standard deviations of the mean, or between 1,000 and 1,400. Related Reading: The Difference Between 3 Sigma & 6 Sigma.ean. The mean value or score of a certain set of data is equal to the sum of all the values in the data set divided by the total number of values. A mean is the same as an average.
James Madison. James Madison, America's fourth President (1809-1817), made a major contribution to the ratification of the Constitution by writing The Federalist Papers, along with Alexander Hamilton and John Jay. In later years, he was referred to as the Father of the Constitution..
Madison initiated the War of 1812, and served two terms in the White House with first lady Dolley Madison. He died on June 28, 1836, at the Montpelier estate in Orange County, Virginia. Early Life. One of America's Founding Fathers, James Madison helped build the U.S. Constitution in the late 1700s. He also created the foundation for the Bill of Rights, acted as President Thomas Jefferson's secretary of state, and served two terms as president himself. Born in 1751, Madison grew up in Orange County, Virginia.