It’s Math! It’s All Math. A 2D Gaussian distribution shown in a 3D plot. Note the higher values towards the center, and growing smaller towards the outside in a bell curve shape.

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.

Modern-day terminology defines the normal distribution as the bell curve, with mean and variance parameters. This article explains the bell curve and applies the concept to trading.

My InsiderA new study provides evidence that individual performance doesn't fit on a bell curve (with its stable average and limited variance), but follows a distribution in which the average is ...