Author Question: In a multiple regression model, which of the following statements is false? a. The coefficient of ... (Read 98 times)

gonzo233 · **on:** Jul 24, 2018

In a multiple regression model, which of the following statements is false?
a. The coefficient of determination will be equal to the square of the largest correlation value between the dependent variable and the independent variables.
b. The mean of the residuals is equal to the variance of all combinations of levels of the independent variables.
c. Adding more independent variables that have a low correlation with the dependent variable will decrease the value of the coefficient of multiple determination.
d. All of these.
e. None of these.

Question 2

A multiple regression equation includes 5 independent variables, and the coefficient of determination is 0.81 . The percentage of the variation in y that is explained by the regression equation is:
a. 81
b. 90
c. 86
d. 85
e. about 16