The correlation between two variables is given by r = 0.0. What does this mean?
A) The best straight line through the data is horizontal.
B) There is a perfect positive relationship between the two variables
C) There is a perfect negative relationship between the two variables.
D) All of the points must fall exactly on a horizontal straight line.

Question

Quizplus · Accepted Answer

A correlation coefficient (r) of 0.0 indicates that there is no linear relationship between the two variables, implying that the best-fit line through the data would be horizontal, reflecting no upward or downward trend.

The Correlation Between Two Variables Is Given by R =