If the correlation coefficient (r) = 1.00, then
A) all the data points must fall exactly on a straight line with a slope that equals 1.00.
B) all the data points must fall exactly on a straight line with a negative slope.
C) all the data points must fall exactly on a horizontal straight line with a zero slope.
D) all the data points must fall exactly on a straight line with a positive slope.

Question

Quizplus · Accepted Answer

When the correlation coefficient (r) equals 1.00, it means there is a perfect positive correlation between the two variables. This indicates that all the data points fall exactly on a straight line with a positive slope.

If the Correlation Coefficient (R) = 1.00, Then