## Review for Exam 3

Review:

- Exam 3 on Wed, Nov 20

Presentation:

- Review Topics:
- Scatterplots
- Correlation
- Pearson Correlation Coefficient
- Least Squares Regression
- Sum of Squares
- Linear Regression
- Calculate slope and y-intercept for linear equation
- Calculate R-Squared
- Forecasting with a regression equation (plug in x and solve for y)

- Cautions about Regression and Correlation
- Extrapolation
- Spurious correlation
- Correlation ≠ causation
- Lurking variables
- Influential observations
- Sensitivity analysis
- Demonstrating causation
- Retrospective studies
- Prospective studies

Activity:

- Complete Practice Exam: F18-BA265-Exam2-Practice (2)