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
Low bih weight statistics of a hospital is best shown by- 
Select and explain. 
A. Bar chas, B. Histogram, C. Pictogram, D. Frequency polygon
A: Bar chas
Answer: A: Bar chas 
Explanation: .