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': 'Estimated mean Hemoglobin (Hb) of 100 women is 10g%. Standard detion is 1 gm%. Standard error of estimated will be - \nSelect and explain. \nA. 0.001, B. 1, C. 10, D. 0.1', 'role': 'user'}, {'content': 'Answer: D \nExplanation: <p>standrad error of mean= standard detion/[?]n =1/[?]100 =1/10 =0.1 Parks textbook of preventive and social medicine.K Park. Edition 23.Pg no: 850 </p>', 'role': 'assistant'}]