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The claim directly follows if we assume "elite professions" have a normally distributed IQ with mean = 126, standard deviation = 6.7. I will show that this a plausible hypothesis for the distribution of the IQ of University of Cambridge scientists. Namely, based on Gibson, Light's 1965 data for Cambridge scientists, we fail to reject the null ...


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Executive summary of what follows: No, Ferguson does not support the claim in the question title, nor the more quantitative one in the question body, with trustworthy data. The claim is the result of a mathematical calculation based on assuming something (IQ among "elite professions") to be normally distributed that we have no reason to think is ...


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