> So as USA has a slightly greater female population the best practitioners of anything, say, will be female? Is all else considered equal here? Obviously not

> So as USA has a slightly greater female population the best practitioners of anything, say, will be female? Is all else considered equal here? Obviously not. As for the rest, any results are guaranteed to be biased and I have a hard time seeing any meaningful purpose (other than discrimination of course). Not interested. Have fun with it, try not to hurt anyone.