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
[{'content': 'The median of values 2,5,7,10,10,13,25 : \nSelect and explain. \nA. 10, B. 13, C. 25, D. 5', 'role': 'user'}, {'content': "Answer: A \nExplanation: 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.", 'role': 'assistant'}]