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 right.
B)up and to the left.
C)down and to the right.
D)down and to the left.
E)Cannot tell with the information provided.

Question

Quizplus · Accepted Answer

The negative slope (-4x) indicates that as x increases, y (the dependent variable) will decrease. Therefore, the regression line will move down (as y decreases) and to the right (as x increases).

The Formula for a Regression Line Is Y = a