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
The best method to compare vital statistics of two populations - 
Select and explain. 
A. Crude death rate, B. Age specific death rate, C. Age Standardized death rate, D. Multivariate mortality rate
C: Age Standardized death rate
Answer: C: Age Standardized death rate 
Explanation: None