Unit 5
Regression Analysis
Two quantitative variables: scatterplots, correlation, the least-squares line and residuals.
Topics
Labs for this unit
- Topics 5.1 to 5.5 Regression Playground Tap to add points, drag them around, and watch the least-squares line, r and the residual plot respond.
- Topics 5.1 to 5.2 Guess the Correlation A new scatterplot every round. Estimate r, then see how close you were. Build the instinct the exam assumes you have.