Discover the differences between standard deviation and variance, two essential metrics for investors to assess volatility and risk in financial data.

Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a portfolio’s asset allocation.

Analysis of variance (ANOVA) is a classical statistics technique that's used to infer if the unknown means (averages) of three or more groups are likely to all be equal or not, based on the variances ...