Quote:
There were 6 people who volunteered their IQs. Of those, all 6 said they had a score which landed them in the top 1% of the population. That is 100% of the sample.
Now, the odds of 6 random people selected from the general population all having an IQ in the top 1% are about 1 in 63,195,232,636,900. That would be 63 Trillion with a "T".
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But they aren't random people.
People with a low IQ have no reason to post their IQ in this thread.
Additionally a forum with the headline "Personal Development for
Smart People" might have a higher percentage than the general population.
Additionally different IQ tests use a different scale and a derivation of one sigma has a different score.