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
the value between ist pentile and 4th pentile includes 
Select and explain. 
A. 20%, B. 40%, C. 60%, D. 80%
C: 60%
Answer: C: 60% 
Explanation: Pentile divides the whole set of values into 5 equal pas Each with 20% P1= 20%:80% P2= 40%:60% P3= 60%:40% P4= 80%:20% So, between P1 and P4 : 80%-20% = 60%