8th Grade · Statistics & Probability
Association
8.SP.A.1
Definition
The relationship between two variables shown in a scatter plot, described by its direction (positive or negative), form (linear or nonlinear), and strength.
Examples
- Points trending both up together show positive association.
- Points scattered randomly show no association.
Key rule
Association can be linear or nonlinear, strong or weak.
Memory hook
How two variables move together.