Set up a course "Alphabet" In course Alphabet, add quizzes "A", "B", "C", "X", "Y" and "Z". In gradebook setup, create a category "ABC" and place quizzes A, B & C in it. In gradebook setup, create a category "XYZ" and place quizzes X, Y & Z in it. In gradebook setup, disable a category total for category XYZ (set aggregation type to Mean of grades and set the grade type to None). In gradebook setup, overall heading should be course name, followed by ABC category, A, B, C, ABC category total, XYZ category heading, X, Y, Z, Course total. In single view, verify the order is A, B, C, ABC, X, Y, Z, Course total. In grade export page, verify the order is A, B, C, ABC, X, Y, Z, Course total. Export the grades and in the exported spreadsheet, verify the order is A, B, C, ABC, X, Y, Z, Course total.