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 ...

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 ...

Learn how to calculate and display variance inside Excel pivot tables. Perfect for financial analysis, reporting, and data ...

Gross profit is one of the most important measures of profitability in corporate finance. Gross profit is total revenue minus the cost of goods sold (COGS). Because this metric only takes into account ...

The Journal of Business & Economic Statistics (JBES) has been published quarterly since 1983 by the American Statistical Association. It serves as a unique meeting place for applied economists, ...

Cost and schedule variance data are part of earned value analysis, which is a tool that small and large businesses use as an early-warning system to identify and manage problems in ongoing projects.

In the National Assessment of Educational Progress (NAEP), population inferences and variance estimation are based on a randomization-based perspective where the link between the observed data and the ...

Discover how to accurately calculate beta in Excel, understand its importance in finance, and ensure consistency by choosing ...

Quick—if you had to guess, what would you think is most likely to end all life on Earth: a meteor strike, climate change or a solar flare? (Choose carefully.) A new statistical method could help ...