A perfect association between variables can be seen on a scattergram when
A)all dots lie an equal distance from the regression line.
B)all dots lie on the regression line.
C)the regression line forms a right angle at its intersection with the X axis.
D)the regression line is parallel to the X axis.

Question

Quizplus · Accepted Answer

When all dots lie on the regression line, it indicates a perfect linear relationship between the two variables. This means that as one variable increases, the other variable also increases at a consistent rate. Therefore, the regression line accurately predicts the value of one variable based on the value of the other variable, and vice versa.

A Perfect Association Between Variables Can Be Seen on a Scattergram