Beyond standard deviation: How skewness and kurtosis capture market extremes

Standard deviation, while common, inadequately captures investment risk due to its equal treatment of gains and losses and ...

Measure Stock Volatility with Historical Data: A Practical Approach

Learn how using historical data, instead of standard deviation, offers a more accurate assessment of stock volatility and risk management strategies.

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 ...
Business Insider

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

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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 ...