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What is the average on IQ test?
The average IQ is 100, with two-thirds of the population having IQs between 85 and 115, and 95% of the population having IQs between 70 and 130.
What is the IQ out of?
IQ follows a normal distribution (bell curve) around the mean, usually 100. Since the normal distribution is horizontally aymptotic, technically a possibility exists for any IQ score. Therefore the concept of IQ is not like a test score even though IQs have to be obtained by taking multiple tests.
What is the highest IQ ever recored?
The highest IQ ever estimated was the 300 IQ of William James Sidis. The highest IQ of a person alive today and recordedis the 228 IQ of Marilyn vos Savant. Both of these IQs were ratio IQs, meaning they were calculated by figuring out the person's "mental age" based on how many questions they answered and then using the formula Mental age/chronological age * 100. IQs are no longer calculated this way.
What is unit of measurement of IQ?
It has no unit; it is just a number, which is based on a normal distribution with mean 100 and standard deviation 15. The "average" person has an IQ of 100. There is a standard error associated with calculating IQs of a 95% chance that the actual IQ is within the range of the given IQ ± 4; which means that someone with an IQ of 102 could actually have less of whatever it is the IQ tests measure than someone with an IQ of 100.
Which race of people are the smartest in the world with the highest IQs?
There are many smart (and stupid) people, men and women, from every race in the world.
