1)The sum of all students HW 3 grades, squared, equals_____

2)The sum of squares of sudents HW 3 grades, equals_____

3)The median of students' grades on HW 3 equals ____

Homework 3 99 64 75.5 80 87 20 95 86 76 59 26 84 93.5 64 83 76.5 60.5 90.5 77 0 81.5 16 98 74 68 57 27.5 78.5 55 80 75.5 77 0 39.5 81 84 35 77 75 97 32.5 89.5 84 76 17 43 91 75 67 87 65 94 99 72 69 78.5 90 83 59.5 81 0