If a simple linear regression model has no y-intercept, then:
A) all values of x are zero
B) all values of y are zero
C) when y = 0 so does x
D) when x = 0 so does y
E) none of these

Question

Quizplus · Accepted Answer

If a simple linear regression model has no y-intercept, it means that the line passes through the origin (0,0) on the coordinate plane. Therefore, when x = 0, y must also be 0, and vice versa. This is represented by choice D, "when x = 0 so does y."

If a Simple Linear Regression Model Has No Y-Intercept, Then