A scatter plot (also called a scatter graph, scatter chart, scattergram, or scatter diagram) is a type of plot or mathematical diagram using Cartesian coordinates to display values for typically two variables for a set of data.
Tableau Software shared a video to show appropriate use cases for scatter plots:
Chris Love‘s Quadrant Analysis video for The Information Lab:
Chris also shared a “Good to great” article on The Information Lab looking at Combination scatter plots:
Tableau’s online help gives a simple to follow guide to creating a basic scatter plot:
Whilst Carly Capitula at interworks.com wrote this:
It’s a common chart type, so plenty of great examples can be found on Tableau Public. A couple of examples include this from Jonni Walker:
And this from Steve Fenn: