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 ...

Ryan Eichler holds a B.S.B.A with a concentration in Finance from Boston University. He has held positions in, and has deep experience with, expense auditing, personal finance, real estate, as well as ...

Microsoft Excel is a popular platform that consists of features, such as calculation, graphing tools, pivot tables, and a macro programming language known as Visual Basic for Application (VBA). Users ...

You might have heard the idiom about the guy with his feet in a freezer and his head in an oven: on average, he's perfectly comfortable. In Excel, we do this with our data every day. Averages are ...

Every year I hear the same argument coming up among fantasy-obsessed people like you and me. The debate? Taking a top-tier quarterback in the first two rounds. One side of the argument says that ...

There are two formulae for standard deviation. \(s = \sqrt {\frac{{\sum {{{(X - \bar X)}^2}} }}{{n - 1}}}\) (where n is the sample size). The second formula is a re ...