Math nitpick: an IQ of 120 is not "just a little above average". It's about the 90th percentile of IQ scores. (Assuming a normal distribution with a mean of 100

Math nitpick: an IQ of 120 is not "just a little above average". It's about the 90th percentile of IQ scores. (Assuming a normal distribution with a mean of 100 and standard deviation of 15.)