Three instructors are comparing scores on their finals, each had 99 students. In class A, one student got 1 point, another got 99 points, and the rest got 50 points. In class B, 49 students got a score of 1, one student got a score of 50, and 49 students got a score of 99. In class C, one student got a score of 1, one student got a score of 2, one student got a score of 3, and so forth, all the way through 99. ^^^ Above is the original question. My only question is how to figure out the standard deviation of class C. I figured out that the average is (n(n+1)/2)/n with n being equal to 99 but I’m confused on how to find standard deviation.