Select True or False for each statement, depending on whether the corresponding statement is true or false. 1. In reference to the equation y^=1.86−0.51x1+0.60x2, the value 0.60 is the change in y per unit change in x2, regardless of the value of x1. 2. A multiple regression model has the form y^=6.75+2.25x1+3.5x2. As x1 increases by 1 unit, holding x2 constant, then the value of y will increase by 9 units. 3. In a multiple regression analysis involving 50 observations and 5 independent variables, SST=475 and SSE=71.25. The multiple coefficient of determination is 0.85. 4. In order to test the significance of a multiple regression model involving 5 independent variables and 30 observations, the numerator and denominator degrees of freedom for the critical value of F are 5 and 24, respectively.
Select True or False for each statement, depending on whether the corresponding statement is true or false.
1. In reference to the equation y^=1.86−0.51x1+0.60x2, the value 0.60 is the change in y per unit change in x2, regardless of the value of x1.
2. A multiple regression model has the form y^=6.75+2.25x1+3.5x2. As x1 increases by 1 unit, holding x2 constant, then the value of y will increase by 9 units.
3. In a multiple regression analysis involving 50 observations and 5 independent variables, SST=475 and SSE=71.25. The multiple coefficient of determination is 0.85.
4. In order to test the significance of a multiple regression model involving 5 independent variables and 30 observations, the numerator and denominator degrees of freedom for the critical value of F are 5 and 24, respectively.
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