The appropriate range for the coefficient of correlation (r) is
A)0 ≤ r ≤ 1.
B)−% ≤ r ≤ +%.
C)−1 ≤ r ≤ 1.
D)−1 ≤ r ≤ +%.

Question

Quizplus · Accepted Answer

The correct range for the coefficient of correlation is -1 ≤ r ≤ 1, indicating that the relationship between two variables can fall anywhere on a spectrum between perfect negative correlation (r=-1), to no correlation (r=0), to perfect positive correlation (r=1).

The Appropriate Range for the Coefficient of Correlation (R) Is