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 ...

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 ...

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 ...

Example 1: The population from which samples are selected is {1,2,3,4,5,6}. This population has a mean of 3.5 and a standard deviation of 1.70783. The next display shows a histogram of the population.

Every year I hear the same argument coming up among fantasy-obsessed people like you and me. The debate? Taking a top-tier quarterback in the first two rounds. One side of the argument says that ...

Nick Lioudis is a writer, multimedia professional, consultant, and content manager for Bread. He has also spent 10+ years as a journalist. Charlene Rhinehart is a CPA , CFE, chair of an Illinois CPA ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...