The Standard Deviation is the basic metric to measure volatility. However, the Standard Deviation is an absolute measurement, not a relative measurement. To compare the volatility of two or more data ...
Sankhyā: The Indian Journal of Statistics, Series B (1960-2002), Vol. 38, No. 1 (Feb., 1976), pp. 62-67 (6 pages) Positive valued estimators are proposed for the positive mean of a normal distribution ...