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.
The crucial development of the Industrial Revolution was the use of steam for power, and the greatly improved engine (1769) of James Watt Watt, James,1736â1819, Scottish inventor. While working at the Univ. of Glasgow as an instrument maker, Watt was asked to repair a model of Thomas Newcomen's steam engine......he industrial revolution began with the invention and application of machinery for production and culminated in the production of machines by machines, that is, in the development of machine production based on the extensive use of machine technology.