You can choose the aggregation method that best suits your needs for calculating a final grade, or Course total in Moodle.
“Mean of grades” will calculate an average of all grade items and categories.
“Weighted mean of grades” enables you to assign weights to grade items and categories.
“Simple weighted mean of grades” enables you to use a point system to calculate grades.
The “Mean of grades” aggregation type enables you to sum all the grades and the divide the total by the number of grade items. This is good when you base everything on 100 percent.
Grading Criteria:
Homework 1 100
Homework 2 100
Test 1 100
Test 2 100
Presentation 100
Paper 100
Final Exam 100
In this example, the “Mean of grades” aggregation type will sum the grades for each item and then divide the total by 7, because there are 7 items.
To create this formula in the Moodle Grader report: