The formula for a regression line is Y = a + bx. If your solution is Y = 15 - 4x, then the regression line will move
A) up and to the left.
B) down and to the right.
C) down and to the left.
D) up and to the right.
E) Cannot tell with the information provided.

Question

Quizplus · Accepted Answer

The negative slope (-4) indicates that as x increases, Y decreases, which means the line moves down and to the right.

The Formula for a Regression Line Is Y = a