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: Dental
The graphic representation of frequency distribution with X and Y axis is: 
Select and explain. 
A. Frequency polygon, B. Histogram, C. Pictograph, D. Pie diagram
B: Histogram
Answer: B: Histogram 
Explanation: It is a pictorial diagram of frequency distribution. There is no space between the cells on a histogram. The class intervals are given on the X axis and the frequencies along the Y axis. 
Eg: Age-wise prevalence of dental caries.