Standard deviation
Standard deviation, σ, is a statistical measure of the variability of a set of observations. It is the square root of the variance.
Definitions
According to Financial Management Theory and Practice by Eugene F. Brigham and Michael C. Ehrhardt (13th edition),
- Standard deviation, σ. A statistical measure of the variability of a set of observations. It is the square root of the variance.
According to Juran's Quality Handbook by Defeo (7th edition),
- Standard deviation. The square root of the variance.
Related concepts
- Financial management. A combination of enterprise efforts undertaken in order to procure and utilize monetary resources of the enterprise.