average IQ in the usa with standard deviation
Our answer is .1587. About 16% of the population has an IQ score lower than 85. What if the question was like this: In the United States, the average IQ is 100, with a standard deviation of 15.bout 16% of the population has an IQ score lower than 85. What if the question was like this: In the United States, the average IQ is 100, with a standard deviation of 15.