Teaching CSIR NET Mock Test Series Mathematical Science Statistics & Exploratory Data Analysis Simple and Multiple Linear Regression
In a standard linear regression model, let R2 and R̅2, respectively, denote the coefficient of determination and adjusted coefficient of determination. Which of the following statements are true?
1
R̅2 < R2
2
R2 increases as the number of independent variables increase
3
R̅2 decreases as the number of independent variables increase
4
R̅2 > 0