In cell E12, edit the defined name March by typing March_Attendance as the new name

To edit the defined name "March" in cell E12 and change it to "March_Attendance", follow these steps:

1. Select cell E12.
2. Go to the "Formulas" tab on the Excel ribbon.
3. Click on "Name Manager" in the "Defined Names" group.
4. In the "Name Manager" dialog box, locate and select the "March" name in the list.
5. Click on the "Edit" button.
6. In the "Edit Name" dialog box, change the name "March" to "March_Attendance" in the "Name" field.
7. Click on the "OK" button to confirm the changes.
8. Close the "Name Manager" dialog box by clicking on the "Close" button.

The defined name "March" in cell E12 will be updated to "March_Attendance".