This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Measures of Central Tendency and Distribution, Subject name: Social & Preventive Medicine
The median of values 2,5,7,10,10,13,25 : 
Select and explain. 
A. 10, B. 13, C. 25, D. 5
A: 10
Answer: A: 10 
Explanation: Ans. is 'a' i.e. 10 Median is calculated by arranging the data in an ascending or descending order of magnitude and then the value of the middle observation is located.