To find Sara's mean quiz score, we need to add up all her scores and then divide by the number of quizzes she has taken.
10 + 12 + 14 + 13 + 11 = 60
She has taken 5 quizzes.
Mean quiz score = 60 / 5 = 12
Sara's mean quiz score is 12.
Each week Sara's science teacher gives a 15 point quiz. Her current scores are shown in the table. What is Sara's mean quiz score?
1 answer