Question: Question 18 (3 points) When you add a variable to a multiple regression model the R2 1) Can go up or down 2) Goes down

Question 18 (3 points) When you add a variable to
Question 18 (3 points) When you add a variable to a multiple regression model the R2 1) Can go up or down 2) Goes down 3) Goes up 4) Stays the same

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