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
[{'content': 'Most commonly used measure of central tendancy is: \nSelect and explain. \nA. Mean, B. Median, C. Mode, D. None of the above', 'role': 'user'}, {'content': 'Answer: A \nExplanation: MEAN \n\nMost commonly used in biostatistics.\nMost of the value in data spread along the mean.\n\nMEDIAN\n\nBETTER indicator of central tendency\nMaximum observation are concentrated around median\nIf EXTREME VALUEs are recorded,\xa0then mean can’t be used. Use median. .\n\nMODE \n\nRarely used. A series can have – no mode, 1 mode or, multiple mode.', 'role': 'assistant'}]