Standard Deviation is also known as root-mean square deviation as it is the square root of means of the squared deviations from the arithmetic mean. In financial terms, standard deviation is used -to ...
Abstract: Whenever we measure any physical quantity we customarily obtain as many different values as there are observations. From a consideration of these measurements we must determine the most ...
What AAGR highlights is the arithmetic mean of the individual performances year by year. Both figures have their merits — but as this example shows, the two figures clearly are not interchangeable.