Which one of the following most accurately characterizes IQ scores?
A) In the range of scores between 90 and 110, more people get a score of 110 than any other score.
B) If you divide an IQ score by 2, you get a person's percentile rank on the intelligence test from which the score was obtained.
C) The average score is 100, with equal numbers of people getting every score between 70 and 130.
D) The average score is 100, with more people getting scores near 100 and fewer people getting scores farther away.

Question

Quizplus · Accepted Answer

IQ scores are distributed in a bell curve or normal distribution, with the average score being 100. Scores closer to 100 are more common, and as you move away from 100 in either direction, fewer people achieve those scores.

Which One of the Following Most Accurately Characterizes IQ Scores