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
Statistical method of calculate death rate among two population with different age groups- 
Select and explain. 
A. Crude death rate, B. Standardized death rate, C. Case fatality rate, D. Age specific death rate
B: Standardized death rate
Answer: B: Standardized death rate 
Explanation: .