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

When reviewing cash flow data for your small business, knowing the standard deviation can help you determine if the numbers are out of whack. Calculating standard deviation manually can be ...

Microsoft Excel is a popular platform that consists of features, such as calculation, graphing tools, pivot tables, and a macro programming language known as Visual Basic for Application (VBA). Users ...

While Excel is useful for many applications, it is an indispensable tool for those managing statistics. Two common terms used in statistics are Standard Deviation and ...

Standard deviation is a measurement of market volatility. Learn how investors use standard deviation in the MoneySense Glossary. Standard deviation (σ) is an investing metric used to measure the ...

Using Microsoft Excel you can create charts based on the data and formulas entered in a worksheet. Enter a sample range of numbers in Excel as if you were at an event asking people their ages, for ...

Variance is a measurement of the spread between numbers in a data set. Investors use the variance equation to evaluate a ...

In response to my article, Is the Stock Market Too Concentrated?, which relied upon standard-deviation calculations to assess investment risk, a reader wrote: “My problem [with your argument] is ...