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
[{'content': 'Central tendency is given by -a)  Meanb)  Medianc)  Moded)  Variancee) Range \nSelect and explain. \nA. ab, B. bc, C. abc, D. bcd', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Statistical averages \n\nAn average or central tendency of a data set refers to a measure of the middle or expected value of the data set.\nThat means, average implies a value in the distribution around which the other value are distributed.\nIt gives a mental picture of the central value.\nThe commonly used statistical averages are -\n\n\nArithmetic mean (or mean)\nMedian\nThe mode', 'role': 'assistant'}]