These differentials, he writes “places the average black at roughly the 16th percentile of the white IQ distribution.”
Really well, actually—in the 97th percentile on reading comprehension and the 87th in math.
A state in the 90th percentile (with the least amount of complaints filed) was given 20 points.
Any of the 100 equal parts into which the range of the values of a set of data can be divided in order to show the distribution of those values. The percentile of a given value is determined by the percentage of the values that are smaller than that value. For example, a test score that is higher than 95 percent of the other scores is in the 95th percentile.