Bell curve

A bell curve, also known as a normal distribution, is often used to visualize a probability density of a continuous data set.
The demo below displays a distribution based on samples of students and their IQ using a bell curve chart type. The IQ data used in this demo looks like a normal distribution.

Good to know


  • An excellent chart type for statistics to analyze economic and financial data.
  • Help to identify different groups following a specific ranking such as high, average, and low.


  • Categorizing people skills, performance, or grades in groups as poor, average, and good.
  • Basic statistics knowledge is required to gain insight from the data.


You can use the Highcharts points in interval option to highlight the main points of reference, such as the mean and standard deviation.