Learn the differences between Z-Score and Standard Deviation. Discover how they are calculated and used to evaluate market ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

For a given data set, standard deviation measures how spread out the numbers are from an average value. This measurement of average variance has a prominent place in many fields related to statistics, ...

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 ...

We present the shortfall deviation risk (SDR): a risk measure that represents the expected loss that occurs with a certain probability penalized by the dispersion of results that are worse than such ...

A measuring technique is now described which enables a deviation meter to be calibrated using an oscilloscope. This is followed by a method for measuring any given f.m. deviation on oscilloscope with ...