2.3 Least-Squares Regression
How to draw a line through a Scatterplot
- Regression Lines
- Some Examples
- Error aka Residual
- Why Regression Lines? I can read a Scatterplot?!
- Quick Example
- Extrapolation
- Defn: Extrapolation
- Lines: A quick Review
- Example
- Drawing Regression Lines
- Least-Squares Regression Line
- Whew! Technology is a Good Thing
- Equation of Least-Squares Regression Line
- Comments about Regression Lines
- Fat Consumption and Cancer
- Example Continued
- Ex: Continued
- Correlation and Regression
- Equation of Least-Squares Regression Line
- Properties of the Regression Line
- r2
- Interpreting r2