1. Week 7Review SessionSlide #1 Review Regression Model Assumptions Calculus –Derivation, critical points (Excel, plots, etc.) –Deriving OLS estimators (b 0, b 1 ) Excel calculation of simple OLS results –Steps, calculations, analysis Larger datasets in R and Stata –Interpretation of model results –Hypothesis testing and model fit

2. Week 7Review SessionSlide #2 More Review Model Diagnostics –Analysis of residuals –Curvilinearity, heteroscedasticity, outliers Visual and statistical tests Multivariate OLS –Matrix notation –R 2 and Adjusted R 2

3. Week 7Review SessionSlide #3 Exam Procedures Exam will be posted at 10AM Tuesday –Posted on the class schedule page –Make sure to download all relevant files Honor code Open book Exam Product –Turn it in hard-copy form or pdf file –Utilize graphs as well as tables Due Friday, March 13, no later than 12-noon