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).

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

To calculate statistical variance in Microsoft Excel, use the built-in Excel function VAR.

Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a portfolio’s asset allocation.

How to Calculate a Cost Variance (CV) & a Schedule Variance (SV). Cost and schedule variance data are part of earned value analysis, which is a tool that small and large businesses use as an early ...

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 ...