Suppose a sample regression equation is given by = 3 + 0.40x. Suppose when x is 10 y is observed to be 8. What is the residual of the model prediction, and does the model under or overpredict the value of y?
A) = −1, the model overpredicts y
B) = 1, the model overpredicts y
C) = 1, the model underpredicts y
D) = −1, the model underpredicts y

Question

Suppose a sample regression equation is given by  = 3 + 0.40x. Suppose when x is 10 y is observed to be 8. What is the residual of the model prediction, and does the model under or overpredict the value of y?
A) = −1, the model overpredicts y 
B) = 1, the model overpredicts y 
C) = 1, the model underpredicts y 
D) = −1, the model underpredicts y

Quizplus · Accepted Answer

The Answer of Suppose a sample regression equation is given by  = 3 + 0.40x. Suppose when x is 10 y is observed to be 8. What is the residual of the model prediction, and does the model under or overpredict the value of y?
A) = −1, the model overpredicts y 
B) = 1, the model overpredicts y 
C) = 1, the model underpredicts y 
D) = −1, the model underpredicts y

Suppose a Sample Regression Equation Is Given by =