added uncertainty column for F value
added uncertainty column for F value

UManPychron/pychron,USGSDenverPychron/pychron,NMGRL/pychron,USGSDenverPychron/pychron,USGSDenverPychron/pychron,NMGRL/pychron,UManPychron/pychron,USGSDenverPychron/pychron,UManPychron/pychron,NMGRL/pychron,NMGRL/pychron,UManPychron/pychron