How to calculate revenue and expense variance to the budget Before analyzing what budget variances mean, they must first be calculated.

We'll calculate the historical monthly variance of the S&P 500 Total Return Index over a five-year period from August 2010 through July 2015 -- that's 60 observations (5 years x 12 months).

Variance in Gross Margin by Changing Price and Cost For example, assume company ABC produces table lamps. Under the current business model, ABC produces 5,000 lamps per year at a cost of $25 per lamp.

If you expected 100 items valued at $1 and find only 99, you have a $1 variance inaccuracy. Use the net dollar variance method. Count your inventory and value it at cost.

How to Calculate Variance in OpenOffice. 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 ...

Learn how to calculate portfolio variance, a key measure of risk, and review its formula, examples, and relationship to modern portfolio theory.