# Correlation Coefficient

The correlation coefficient measure of how closely a best-fit curve matches the given data.

Correlation coefficient is a college-level concept that would be first encountered in a probability and statistics course. It is an Advanced Placement Statistics topic and is listed in the California State Standards for Probability and Statistics.

### Prerequisites

Least Squares Fitting: | A mathematical procedure for finding the best-fitting curve to a given set of points by minimizing the sum of the curve's squared offsets from the data. |