Algebra 1 · Exponential Functions & Data

Correlation

Algebra 1 · Exponential Functions & Data

Definition

Correlation is a measure of how two variables are related, described as positive, negative, or no correlation.

Examples

  • As study time rises and grades rise, correlation is positive.
  • As price rises and demand falls, correlation is negative.

Key rule

Data can show positive, negative, or no correlation.

Memory hook

Correlation = how two variables move together.