**Learning objectives**

- Use models with multiple explanatory variables, both categorical and quantitative
- Work with models as functions

**Before class**

- Read textbook sections 7.1-7.7
- Complete Assignment Six on the homework server.
- Post to Piazza

**In class**

**Learning objectives**

- Use models with multiple explanatory variables, both categorical and quantitative
- Work with models as functions

**Before class**

- Read textbook sections 7.1-7.7
- Complete Assignment Six on the homework server.
- Post to Piazza

**In class**