Question: Can you provide an in-depth solution for: Sally received the following scores on her math quizzes: 50, 80, 80, 60, 40, 90, 100, 70, and 60. Find her mean score.Hey there, could you help me solve this math problem: Sally received the following scores on her math quizzes: 50, 80, 80, 60, 40, 90, 100, 70, and 60. Find her mean score.
Answer: 
Sally's total score is 50 + 80 + 80 + 60 + 40 + 90 + 100 + 70 + 60 = 630.
Her mean score is 630 / 9/quizzes = 70/quiz.