Standard Deviation Love Machine 16 years ago Standard Deviation It is measure of how far a group of data is dispersed from its mean. The variance’s square root gives the standard deviation. Random Finance Terms for the Letter S Spot Trade Spread Spread Income Spread Strategy Spreadsheet Stakeholders Stand-Alone Principle Standard Deviation Standard Error Standardized Normal Distribution Recommended for you: Standard Error Spreadsheet Stakeholders Stand-Alone Principle