This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Correlation in height & weight are measured by? 
Select and explain. 
A. Coefficient of variation, B. Range of variation, C. Correlation coefficient, D. None
C: Correlation coefficient
Answer: C: Correlation coefficient 
Explanation: Ans. is 'c' i.e., Correlation Coefficient