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.

Christenson, Charles. "Managing against Expectations (A): An Introduction to Profit Variance Analysis." Harvard Business School Background Note 182-013, July 1981.

Facilities that focus on manufacturing and production track two kinds of costs: fixed costs and variable costs. The variable costs are those that change when production levels change: raw materials, ...

As a small-business leader, taking care of the bottom line is critical for growth, as well as for maintaining your current payroll and customers. Understanding sales price variance can help you ...

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