This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Statistical Errors, p-value, Subject name: Social & Preventive Medicine
If Confidence limit is increased, then: 
Select and explain. 
A. Previously insignificant data becomes significant, B. Previously significant data becomes insignificant, C. No effect on significance, D. Any change can happen
B: Previously significant data becomes insignificant
Answer: B: Previously significant data becomes insignificant 
Explanation: If confidence limit is increased: Then degree of assurance of intervals containing the population mean is increased, BUT getting the value of population mean become less precise Previously significant data will now become less significant