You cannot win every time
If you see the marks students get in a subject in your class, you will find that the largest number of people get average marks, while the number of those getting higher than the average gradually reduces. Similarly, the number of those getting less than average also reduces as you move away from the average. When teachers make a graph of the marks earned by the class, they get something that looks like this: Image Credit: Monika Wahi, CC-BY-SA-4.0 , Image from Wikimedia Commons In this example, we assume that D is the average score 50%. Other points are: A 20% B 30% C 40% E 60% F 70% G 80% The height above each letter shows how many people got that many marks: 2 students got 20%, 5 students got 30%, 7 students got 40%, 8 students got 50% 7 students got 60%, 5 students got 70%, and 2 students got