>>512926151 (OP)your sampeling criteria are poor
firstly your looking at race like white yellow brown ect, therse presently 37 genetically distinct clades of man on earth 18 are 'white' 7 are yellow.
next your failing to look at left brain right brain intelligence, some asians have an abundance of left brain, almost none have an abundance of right brain.
next up your ignoring distribution frequency (and cheating on test scores) where whites excel is that we have the broadest range of potential analytic and synthetic intelligence. this means we have a broader potential for retardation and genius then you.