Final answer:
To count the number of students owning a grade greater than 89, you can use the COUNTIF function in Microsoft Excel.
Step-by-step explanation:
To count the number of students owning a grade greater than 89, you can use the COUNTIF function in Microsoft Excel. The formula would be =COUNTIF(A82:A200, ">89"). This will count all the cells in the range A82 to A200 that contain a value greater than 89.