Activity result can not only be calculated for one particular learner but also for a whole class. From the achieved Activity Total Scores of the learners of each learner group, the system calculates an average score for each Activity: the Class Total Average.
The Class Total Average is a percentage value, the sum of Activity Total Scores divided by the number of the learners who have a record.
tl= total score of each learner of the learner group of an Activity, for that particular Activity n = number of learners of the learner group of the Activity who have a record for the Activity
Class Total Average is visible:
in the Score distribution report for an entire Activity as the class average, at the bottom of the Score Distribution page
at the bottom of the Grade Reportpage as the Class Average