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': 'If sample size is bigger in random sampling, which of the following is TRUE - \nSelect and explain. \nA. It approaches maximum samples, B. Reduces non sampling errors, C. Increases the precision of the result, D. Decreases standard error', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]