The ranges of IQ are not actually "infinite for all groups". While some humans have an IQ of 0, no human has had an IQ of 10,000. Why there is an evolutionary advantage to an upper limit of IQ around 200 is an interesting question that remains unanswered.
The ranges of IQ are not actually "infinite for all groups". While some humans have an IQ of 0, no human has had an IQ of 10,000. Why there is an evolutionary advantage to an upper limit of IQ around 200 is an interesting question that remains unanswered.