This article was originally published on Built In by Eric Kleppen. Variance is a powerful statistic used in data analysis and machine learning. It is one of the four main measures of variability along ...

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

In this article, we propose a simple adjustment that can be used when computing value-at-risk (RiskMetrics Group 1996) if a sample standard deviation of returns rather than the true standard deviation ...

Variance is a statistical calculation that numerically describes the amount of variation in a data set. If values in a data set wildly fluctuate, variance would be high and predictions based on the ...