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

Question

Quizplus · Accepted Answer

The slope of the regression line is positive (b = 4), indicating that as x increases, Y increases as well, which means the line moves up and to the right.

The Formula for a Regression Line Is Y = a