If you knew nothing about a child's intelligence level, then the best guess of his or her IQ score would be

Question

Quizplus · Accepted Answer

The most commonly used IQ test has a mean score of 100 and a standard deviation of 15. Therefore, the best guess for an unknown child's IQ score would be the average or midpoint, which is 100. Any score below 70 is considered intellectually disabled, and any score above 130 is considered gifted.

If You Knew Nothing About a Child's Intelligence Level, Then