To edit a named range in Excel, follow these steps:
Open your Excel workbook.
Go to the "Formulas" tab on the Excel ribbon.
Click on "Name Manager" in the "Defined Names" group. This will open the Name Manager dialog box.
In the Name Manager dialog box, locate the named range you want to edit from the list.
Select the named range and click on the "Edit" button.
Update the range reference or any other properties as needed in the Edit Name dialog box.
After making the necessary changes, click "OK" to save the edits.
Close the Name Manager dialog box.
Your named range should now be updated with the changes you made.
Either way the teacher or student will get the solution to the problem within 24 hours.