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 ...

Most teams set a single percentage threshold across the board that’s simple but flawed. A 5% swing in a volatile revenue account might mean nothing, while a 2% movement in an accrued liabilities could ...

In this paper, some properties of the asymptotic variance of the sample quantiles and the derived mid-ranges are studied and the role of the sample median is critically discussed. It is shown that ...