The direction of a relationship between variables can be detected on a scattergram by considering the angle of the regression line.The relationship is
A)positive when the line slopes upward from left to right.
B)positive when the line slopes downward from left to right.
C)negative when the line slopes upward from left to right.
D)negative when the line slopes downward from right to left.

Question

Quizplus · Accepted Answer

A positive relationship means that as one variable increases, the other variable also tends to increase. This is indicated on a scattergram by a regression line that slopes upward from left to right. Therefore, Choice A is correct. Choices B to D are incorrect.

The Direction of a Relationship Between Variables Can Be Detected