Normal Distribution Normal, or Gaussian, distribution describes a pattern where values in your defined range occur more frequently around a center point, or mean.

How to Put a Gaussian Curve on a Graph in Excel. Gaussian curves, normal curves and bell curves are synonymous. Each represents how statistical data with normal distribution plots on a graph.

Discover what a log-normal distribution is, its financial applications, and how to calculate it, including using Excel for practical financial analysis.

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