This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Demography and family planning, Subject name: Social & Preventive Medicine
The age and sex structure of a population can be described by a 
Select and explain. 
A. Life table, B. Correlation coefficient, C. Population pyramid, D. Bar cha
C: Population pyramid
Answer: C: Population pyramid 
Explanation: The age and sex structure of a population are best represented by &;age pyramid&;.Developing countries have a broad base and tapering top. Developed countries show a bulge in the middle and have a narrower base.Park 23e pg: 482