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5. In multiple regression models, there are: A) One independent variable and one dependent variable. B) One independent variable and several dependent variables. C) Several independent variables and one dependent variable. D) Several independent variables and several dependent variables. 6. If R^2 = 0.85 in a multiple regression model, this means that: A) X1 explains 85% of the variation in Y. B) All X's explain 85% of the variation in Y. C) The error explains 15% of the variation in Y. D) Both B and C. 7. The sign of the regression coefficient Î²2: A) Determines the direction of the relation between Y and X2. B) Determines the direction of the relation between Y and X1. C) Determines the strength of the relation between Y and X2. D) Determines the strength of the relation between Y and X1. 8. ANOVA test in multiple regression model tests the significance of: A) The intercept Î²0. B) All the regression coefficients Î²i's. C) The coefficient Î²1. D) Both A and C.

          5. In multiple regression models, there are: A) One independent variable and one dependent variable. B) One independent variable and several dependent variables. C) Several independent variables and one dependent variable. D) Several independent variables and several dependent variables.
6. If R^2 = 0.85 in a multiple regression model, this means that: A) X1 explains 85% of the variation in Y. B) All X's explain 85% of the variation in Y. C) The error explains 15% of the variation in Y. D) Both B and C.
7. The sign of the regression coefficient Î²2: A) Determines the direction of the relation between Y and X2. B) Determines the direction of the relation between Y and X1. C) Determines the strength of the relation between Y and X2. D) Determines the strength of the relation between Y and X1.
8. ANOVA test in multiple regression model tests the significance of: A) The intercept Î²0. B) All the regression coefficients Î²i's. C) The coefficient Î²1. D) Both A and C.

5 in multiple regression models there are a one independent variable and one dependent variable b one independent variable and several dependent variables c several independent variables and 69883

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