Gaussian curves, normal curves and bell curves are synonymous. Each represents how statistical data with normal distribution plots on a graph. Normal distribution describes a particular way ...

A normal curve is a graph with a smooth, symmetrical, bell-shape. The highest point of the bell represents the mean, which is the arithmetic average value of the data set.

Adding a linear trendline to your scatter chart will effectively create a normal curve line that represents the standard curve of your data.

Sayantee Jana, Narayanaswamy Balakrishnan, Jemila S. Hamid, Inference in the Growth Curve Model under Multivariate Skew Normal Distribution, Sankhyā: The Indian Journal of Statistics, Series B (2008-) ...

"These normal growth curves for these critical structures often involved in epilepsy will help us determine when these structures are damaged and smaller than normal for age," said Schiff.