A least squares regression line ______.
A) may be used to predict a value of y if the corresponding x value is given
B) implies a cause-effect relationship between x and y
C) can only be determined if a good linear relationship exists between x and y
D) All of the answers are correct.

Question

Quizplus · Accepted Answer

A least squares regression line can be used to predict a value of y if the corresponding x value is given. It does not imply a cause-effect relationship between x and y, and while a good linear relationship is preferred, a line can still be determined even if the relationship is weak.

A Least Squares Regression Line ______