Std Deviasi. Standard deviation is a statistical measurement in finance that when applied to the annual rate of return of an investment sheds light on that investment s historical volatility. Published on september 17 2020 by pritha bhandari.
Its symbol is σ the greek letter sigma the formula is easy. A high standard deviation means that values are generally far from the mean while a low standard deviation indicates that. Standard deviation and variance.
The standard deviation is the average amount of variability in your dataset.
A low standard deviation indicates that the values tend to be close to the mean also called the expected value of the set while a high standard deviation indicates that the values are spread out over a wider range. Deviation just means how far from the normal. So now you ask what is the variance variance. In statistics the standard deviation is a measure of the amount of variation or dispersion of a set of values.
