Question: what is the mean of 1 to 100?
Answer: Originally Answered: What is the average of positive integer 1 to 100 inclusive? The sum of first 'n' natural numbers is given by n(n+1)/2. So, average of 1st 'n' natural numbers is given by n(n+1)/(2n) = (n+1)/2. (100+1)/2 = 101/2 = 50.