How Expected Return and Standard Deviation Impact Your Portfolio

Expected return and standard deviation can help you analyze investment portfolios. Learn their differences, uses, and ...
Investopedia

Z-Score vs. Standard Deviation: Key Differences in Volatility Measurement

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Andy Smith is a Certified Financial Planner ...
Business Insider

Here's What Nerds Mean When They Say 'Standard Deviation'

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Morningstar

Standard Deviation: In Defense of an Often-Dismissed Investing Metric

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 ...
BBC

Statistical skills: Video playlist

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 ...