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 ...

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 ...

Reviewed by Eric Estevez It's possible to calculate the standard error in MATLAB by running a one-line command. Standard error is a measurement of the variability of a data set and how accurately it ...

The extent to which products meet specifications needs to be systematically monitored in a production process. Product quality will typically be defined by two quantities: deviations from stated ...

An animated guide explaining how the standard devition can give you a clearer picture of a sample than averages alone. An example involving zoo keepers and some very dangerous animals demonstrates ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Gordon Scott has been an active investor and technical analyst or 20+ years.