I wonder what "representative" means in relation to human behavior?
does it mean "must collect ALL data"?
Of course not, there's no meaning of representative that requires this.
I am wondering what qualifies as "complete", though. Any reasonable definition I can come up with is redundant with "representative" and "free of errors".
I have a feeling they might be looking for "equality" with this formulation. However, if it is representative of the real world, it will often not be in line with the norms prescribed by the notion of equality.