This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostatistics, Subject name: Social & Preventive Medicine
If coefficient of correlation between height and weight is 2.6, TRUE is- 
Select and explain. 
A. Positive correlation, B. No association, C. Negative Correlation, D. Calculation of coefficient is wrong
D: Calculation of coefficient is wrong
Answer: D: Calculation of coefficient is wrong 
Explanation: Ref:Parks 23rd edition pg 852 Corelation coefficient values can&;t go beyond 1 . In order to find out whether there is significant association or not between the two variables , coefficient or Corelation is calculated . r lies between -1 and +1 r near -1 : indicates strong negative correlation . r = 0 : indicates no association r near +1: indicates strong positive correlation. Note: correlation does not necessarily prove causation .