If it is indeed an Excel spreadsheet MEDIAN is a built-in function https://support.microsoft.com/en-us/office/median-function-d0916313-4753-414c-8537-ce85bdd96

If it is indeed an Excel spreadsheet MEDIAN is a built-in function https://support.microsoft.com/en-us/office/median-function-d0916313-4753-414c-8537-ce85bdd967d2 https://support.microsoft.com/en-us/office/median-function-d...