I think I may mean 'clump modality.' But I 'm no mathmetician - so who knows perhaps a more accurate phrase
might be the most frequent distribution of a range of performance stats which are discreetely inhibited.
My knowledge of statistics has faded from indoctrination on a post degree Diploma business course over 30 years ago.
So yes a 'little knowledge is a dangerous thing'..........,I'll return to the 'paddling-end'.......Where's the mermaids ?