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
Best way to plot the change of incidence of disease oveime- 
Select and explain. 
A. Line diagram, B. Bar cha, C. Histogram, D. Pie cha
A: Line diagram
Answer: A: Line diagram 
Explanation: - line diagrams are used to show the trend of events with the passage of time. - it can be used to represent the trend of disease cases over a period of time. Reference : Park's textbook of preventive and social medicine, 23rd edition, pg no:846