Choose all that apply when describing R2.
(Hint: 5 options are correct)
- Is only used in multiple linear regression.
- Can be inflated by adding more variables.
- In simple linear regression, it is equal to the correlation coefficient r.
- Referred to as the coefficient of determination or coefficient of multiple determination.
- Represents the percent of variability in y that can be explained by the model.
- Only describes the relationship between quantitative variables.
- Can be inflated by removing variables.
- Is used to determine the fit of a model.