... IQ is supposed to be a normal distribution, ">= 130" === "3 sigma above the mean," i.e. top 0.1%.
(bearing in mind that the test is inescapably biased towards people with our background - US/UK/etc, certainly English speaking, probably university educated.)
fair point indeed - the tests are highly weighted (and thus rather unsatisfactory - the skewing reduces the resolution of the test, if you like) for young people.
(bearing in mind that the test is inescapably biased towards people with our background - US/UK/etc, certainly English speaking, probably university educated.)