Flickr via Google Images Standard deviation is a concept that's thrown around frequently in finance. So what is it? When working with a quantitative data set, one of the first things we want to know ...

Don't let the big swings sway you from your investments. In statistics, the best-known distribution measure is the normal distribution, often referred to as the bell curve because of its shape. The ...

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