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
The correlation between age and height in a toddler is best depicted by 
Select and explain. 
A. Correlation coefficient = +1, B. Correlation coefficient = -1, C. Correlation coefficient = +2, D. None
A: Correlation coefficient = +1
Answer: A: Correlation coefficient = +1 
Explanation: Ref:Park's textbook of Preventive and Social Medicine 25 th Ed