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This documentation will show you how to verify and change the aggregation method by which your grade book will be calculated if needed.
Select the course that you want to change the aggregation method in.
Click the grade reporter drop-down on the left side of the gradebook and select Gradebook setup.
Once in the Setup tab, click the Edit button the applies to the entire grade book (highlighted below).
Within the menu that pops up, click Edit settings. This will take you to the overall grade book settings for your course.
Under the Grade category section, you will see and drop down menu for Aggregation. Select you desired aggregation method from the drop down menu. NOTE: View descriptions of each aggregation method.
When you have made all your changes, remember to click Save changes.
Back on the Setup tab, you will see that the aggregation method you selected will be shown below Course total.
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