Key Points NORMSINV is an Excel function used along with normal distributions. It allows you to conduct calculations faster ...

When and why do you use lognormal distribution or normal distribution for analyzing securities? Lognormal for stocks, normal for portfolio returns.

A bell curve describes the shape of data conforming to a normal distribution.

I know of scarcely anything so apt to impress the imagination as the wonderful form of cosmic order expressed by the ‘Law of Frequency of Error’,” the British polymath Francis Galton wrote in 1889.

Call it Hell, Call it Heaven, it's a probable twelve to seven that the guy's only doing it for some doll -- Stubby Kaye and Johnny Silver, Guys ...

It had almost become a silver bullet for measuring risk.” VaR models forecast profit and loss, at a certain confidence level, based on a bell-shaped, or “normal”, distribution of probabilities.