Answer :
Final answer:
The child's IQ is calculated using the formula mental age/chronological age * 100. For this child, the IQ is 9/6 * 100 = 150, so the answer is C) 150.
Explanation:
The given question pertains to IQ calculation for a child. An IQ score (intelligence quotient) is calculated by taking the mental age of a person, dividing it by their chronological age, and then multiplying the result by 100. For example, if a child is 6 (chronological age) and has a mental age of 9, the child's IQ is 9/6 * 100 = 150. Therefore, the correct answer is C) 150. This high score suggests that the child may fall into the higher ranges of intelligence and could be considered as 'gifted' within the educational system.
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https://brainly.com/question/30225678
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