How do I delete a single students quiz attempt?

Use this method for quickly resetting a students quiz attempts

1. Click Quizzes on the navbar.
2. Click the gold ruler icon to grade the quiz.
3. Click "Display Options"
4. Check box for "allow reset".
5. Click Save.
6. Check box for "Attempt 1" (by the user whose attempt you would like to delete)
7. Click the trash can.