Assuming 100 is the mean for IQ tests with 15 being the standard deviation, then roughly 13% of a large random group of people will have measured IQ's between 70 and 85. About 24% of the group will be between 78 and 92, so yeah, something between a fifth and a quarter of people living normal lives would have an IQ in the 80s.
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james_davis_nicoll) wrote2016-05-01 10:34 am
no subject