I’m working on a health & medical writing question and need the explanation and answer to help me learn.

**Simple**** Regression Analysis looks at the relationship between a single independent variable and a dependent variable. ****Multiple**** Regression Analysis looks at the relationship between more than one independent variable and a dependent variable. **

**1) What measures may be used to evaluate the quality of the relationship between independent variables and the dependent variable? **

**2) What measures may be used to evaluate the relationship between all of the independent variables and the dependent variable?**