Standard deviation is a metric that shows the variability of a security’s returns over time. It can be used to gauge volatility based on past performance and compare a future return to past returns.

The T-Value is a common statistical calculation with a very wide range of applications. In the business world, it can help in making educated financial predictions and projections. For example, a ...

Rate of return and standard deviation are two of the most useful statistical concepts in business. These two figures will tell you whether a business project is worth the investment and trouble, given ...