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.

Teach it

Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.

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.