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 graphic representation of frequency distribution of data gathered of a continuous variable is - 
Select and explain. 
A. Simple bar graph, B. Multiple bar, C. Line diagram, D. Histogram
D: Histogram
Answer: D: Histogram 
Explanation: Ans. is`d' i.e. Histogram