Question

ANSWER FAST Jill had the following scores on her math quizzes 20 ,40, 40, 40 ,60 ,60 ,60 ,60 ,80, 80

,80 ,80 ,100. What is the MEAN score for jill's quizzes? round the nearest whole number
SHOW YOUR WORK

Thank you:)

Answer 1

Answer: 62.

Step-by-step explanation: The mean is the average. In order to find the average, we need to add all of the numbers up, then divide by the number of quizzes. So:

20 + 40 + 40 +40 + 60 + 60 + 60 + 60 + 80 + 80 + 80 + 80 + 100 = 800

800 / 13 = 61.5, appr. 62.