bivariate data, scatter plot
A scatter plot is a graph that uses points to display the relationship between two different sets of data. Each point can be represented by an ordered pair.
This scatter plot shows the relationship between the ages and diameters of various trees.
Consider the point (25, 8). This point represents a tree that is 25 years old and has a diameter of 8 inches.
The data might have been collected in a table. Each point represents the age and diameter of a tree.