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 ...

Mark Jahn is a financial writer, editor, consultant, and award-winning economist covering ETFs, stocks, cryptocurrencies, options, and more. Somer G. Anderson is CPA, doctor of accounting, and an ...

THE irregular distribution of the mass of textile materials (yarns, rovings, slivers and tops) per unit length is by preference expressed in terms of the standard deviation : in which x̄ is the mean ...

Learn how to calculate downside risk, measure potential investment losses, and mitigate risks using methods like ...

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 ...