Answer:
71.3
Explanation:
add every score and divide by number of total students for the mean
Data set:
60, 60, 60, 60, 65, 65, 65, 65, 65, 65, 65, 70, 70, 70, 70, 70, 70, 70, 75, 75, 80, 85, 85, 90, 90, 90
Mean = total sum of numbers / amount of numbers
5.6m questions
7.3m answers