We have no way of knowing. Best guesses have them having the same IQ as us.
It is not possible to accurately determine the average IQ of Stone Age humans as IQ tests were not developed or administered during that time. Additionally, intelligence is a complex trait influenced by various factors beyond just Biology, such as environment and culture.
IQ is realtive to age. So an average 50 year old mans IQ is gna be 100, just like every ranges average IQ
Age has nothing to do with IQ. An average IQ is 100, no matter what age a person is.
An average IQ is 100. It does not matter how old a person is. An 8 year old's average IQ is 100. A 40 year old's average IQ is 100. IQ tests take age into account so that the average IQ is the same for any age.
Average IQ is 100. Age does not matter.
The average IQ is 100 for any age. The average IQ is 100 for any age.
IQ is non-age dependent. IQ tests can be made for people in different age ranges, but there is no average score for a certain age range. The average IQ for any age is 100.
Average IQ for anyone of ANY age is around 100. IQ has nothing to do with age.
IQ has nothing to do with age. Average IQ for ANY age is 100.
IQ is independent of age. The average IQ is always 100 regardless of age, gender, or individual differences. Therefore, the average IQ for a 30-year-old is 100.
90-105 is the average IQ for anyone.
There is no average IQ for any age.
The average IQ for any age is 100.