A linear regression line is assumed to.
A)curve slightly upwards at the highest value of X
B)be a straight line relation throughout the range of X values
C)curve slightly downwards at the lowest value of X
D)assume a negative slope near zero if the correlation coefficient is negative

Question

Quizplus · Accepted Answer

A linear regression line by definition is a straight line relationship between two variables. It is not assumed to curve upwards or downwards at any point or have a negative slope near zero unless the data suggests otherwise. Therefore, the best choice is B - to be a straight line relation throughout the range of X values.

A Linear Regression Line Is Assumed To