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': 'Pearson’s Skewness Coefficient is given by \nSelect and explain. \nA. Mean-Mode/SD, B. Mode-Mean/SD, C. SD/Mean-Median, D. SD/Median-Mean', 'role': 'user'}, {'content': 'Answer: C \nExplanation: • Measures of skewness:\n– Pearson’s mode or First Skewness coefficient = (Mean – Mode)/SD\n– Pearson’s median or Second Skewness coefficient = 3(Mean – Median)/SD\n– Quartile skewness = (Q3 – 2Q2 + Q1)/Q3 – Q1', 'role': 'assistant'}]