Christopher Dougherty Introduction To Econometrics Solutions =link= Here

You have data on house prices (Y), square footage (X2), and number of bedrooms (X3). Compute partial regression coefficients via the Frisch-Waugh-Lovell theorem.

Dougherty’s treatment of dummy variables is particularly extensive, covering interaction terms and seasonal dummies. Christopher Dougherty Introduction To Econometrics Solutions

Detect heteroscedasticity via Goldfeld–Quandt test or Breusch–Pagan test. You have data on house prices (Y), square