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• 12:46, 20 August 2026 WikiSysopIG talk contribs created page Standard deviation (Created page with "'''Standard deviation''' is a statistical measure of the dispersion of observations or returns around their mean. In finance, it is commonly used to measure the variability of an asset's returns and is often used as a measure of total risk or volatility. A higher standard deviation indicates that observations are more widely dispersed around the mean, while a lower standard deviation indicates that observations are more closely concentrated around the mean. ==Popul...")