Add missing F-test function from Data Analysis Toolkit.
just for reference: In libreoffice 4.2 the F.TEST() function has been added, which will be helpful here. ( see https://wiki.documentfoundation.org/ReleaseNotes/4.2#Calc and https://bugs.libreoffice.org/show_bug.cgi?id=71436 )
Priority highest is reserved for MABs, please see: https://wiki.documentfoundation.org/MAB on when a bug qualifies for that. Thus keeping this on priority high.
This Feature request has been fixed in LO 4.3 by Tomaz Vajngerl see: https://wiki.documentfoundation.org/ReleaseNotes/4.3#Statistics_Wizard_.28alternative_to_Excel.27s_Add-in_.22Analysis_ToolPak.22.29 we may close this bug/feature request