If Sergio's mental age is 8,but his chronological age is 9,we would say that Sergio's IQ is:

Question

Quizplus · Accepted Answer

Mental age is the age at which a person is performing intellectually, while chronological age is the actual age of the person. The IQ is calculated by dividing mental age by chronological age and multiplying by 100. In this case, Sergio's IQ would be (8 ÷ 9) × 100 = 88.88, which is below the average IQ of 100. Therefore, his IQ would be considered below average.

If Sergio's Mental Age Is 8,but His Chronological Age Is