How do I change assignment group weights in the Gradebook?

Once you set up assignment groups and add weights, you can change the weights via the Gradebook.

Open Grades

Click the Grades link.

Open Gradebook Settings

Click the Three vertical dots menu.
Click the Assignment Groups Weights link.

Weight Final Grade

Click the Weight final grade based on groups checkbox to weight the final grade based on groups.
After selecting the checkbox [1], type in the various weights for the assignment groups [2]. Click the Save button [3] to update the group weights.