Unfavorable Sales Volume Variance When the sales variance formula gives you a negative dollar amount as an answer, it is said to be unfavorable.

Inventory Variance by Quantity To calculate inventory volume variance by quantity, begin by counting what is on hand in your warehouse, store or other location where you keep the inventory.

Variance/Covariance Method Calculating beta using the covariance/variance formula is probably the most common method of calculating the beta of a stock.

Sales price variance is the difference between the price a business expects to sell its products or services for and what it actually sells them for.

BACKGROUND The Chiang method is the most widely accepted standard for estimating life expectancy (LE) at subnational scales; it is the only method that provides an equation for the LE variance.

We propose an extension to the Bongaarts and Feeney formula that includes variance effects: that is, changes in the variance of the fertility schedule over time. If these variance effects are ignored, ...

Limma instead uses a posterior variance that represents a weighted combination of sample variance and a more stable grand variance estimate that is approximated from all data on the array.