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
If sample size is bigger in random sampling, which of the following is TRUE - 
Select and explain. 
A. It approaches maximum samples, B. Reduces non sampling errors, C. Increases the precision of the result, D. Decreases standard error
D: Decreases standard error
Answer: D: Decreases standard error 
Explanation: None