Correlation, Regression, and the Least-Squares Line

What this note covers

1. 1. Scatterplots and the Nature of Bivariate Data
2. 2. Pearson's Correlation Coefficient r — Calculation and Meaning
3. 3. The Coefficient of Determination r2
4. 4. The Least-Squares Regression Line — Equation and Calculation
5. 5. Using the Regression Line to Make Predictions
6. 6. Interpreting r in Context and Describing the Relationship
7. 7. Exam Technique and Common Traps

7 sections · 14 key terms & formulas · 6 common mistakes