5) Rolanda scored 20, 15, and 16 on her first three math quizzes. Jetta scored 16, 19, and 17 on her quizzes. Using e the mean to compare, who has the higher math quiz scores so far?
Roland; 20+15+16=51, 51÷3= 17 Roland; 17 We divide 3 because it's the total number of grade she got. Jetta; 16+19+17=52, 52÷3= 17.1 Jetta; 17.1 So, probably Jetta got better grade than Rolanda