This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Biostatistics, Subject name: Social & Preventive Medicine
[{'content': 'In a distribution, if the mean is less median, then the distribution is said to be - \nSelect and explain. \nA. Negative skewed, B. Positively skewed, C. Normal distribution, D. No correlation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Negative skewed ( left skewed ) : Mean less than median . Mode >median > mean Postitive skewed ( right skewed) : Mean more than median Mean > median > mode', 'role': 'assistant'}]