Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

A stock's historical variance measures the difference between the stock's returns for different periods and its average return. A stock with a lower variance typically generates returns that are ...

Cost and schedule variance data are part of earned value analysis, which is a tool that small and large businesses use as an early-warning system to identify and manage problems in ongoing projects.

Small businesses often estimate their inventory. If you operate your business on the basis of inaccurate inventory figures, however, you may experience stock outs -- running out of products when ...

If you are struggling to keep track of performance metrics and identify areas needing improvement? You will be pleased to know that you are not alone. Many people find it challenging to sift through ...

Read on to learn more about what a t-test is, the different formulas used, and when to apply each type to compare means and ...

Stock's historical variance measures its return stability over time. Higher variance indicates greater return unpredictability and risk. Calculate variance using Excel to simplify the process for ...