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.

Discover the differences between standard deviation and variance, two essential metrics for investors to assess volatility and risk in financial data.

Accountants can use standard costing to identify variances in business operating statistics. Variance analysis can help a business narrow in on areas of operations that aren't performing as they ...

The table above is from the new study in Science Magazine “Gender Similarities Characterize Math Performance” (abstract free, $10 for full study) recently discussed here on CD, in the WSJ, and on ...