2] To create a bell curve in excel, we need three values, average, standard deviation, and normal distribution. Let’s calculate the average of the data first.

The term "bell curve" is used to describe a graphical depiction of a normal probability distribution whose underlying standard deviations from the mean create the curved bell 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.