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.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.
A: Between 1763 and 1775, James Watt invented a steam engine with an efficiency much greater than that of the other steam engines then in use. This new steam engine helped to power the Industrial Revolution.
Thomas Edison did not try 10,000 times before inventing the light bulb, nor did he labor in a dusty workshop by himself.That's according to David Burkus, author of  The Myths of Creativity , who says America's favorite innovation story may have been the result of a tremendous publicity push.n the case of Edison, Burkus argues that the famous creator didn't invent the light bulb so much as perfect it, with the muscle of a massive publicity machine behind him. Edison's main laboratory, built in a rural New Jersey town called Menlo Park, was famous for generating more than 400 patents in just six years.