Correlation coefficient (r) ranges from:
✓ Correct Answer: Option B
Pearson r: measures strength and direction of linear relationship. r=+1: perfect positive, r=-1: perfect negative, r=0: no linear relationship. r² = coefficient of determination.
Pearson r: measures strength and direction of linear relationship. r=+1: perfect positive, r=-1: perfect negative, r=0: no linear relationship. r² = coefficient of determination.