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 succeeded Jefferson as President in 1809, was re-elected in 1813, and presided over renewed prosperity for several years. After the failure of diplomatic protests and a trade embargo against the United Kingdom, he led the U.S. into the War of 1812.