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iren2701 [21]
3 years ago
14

Child X's mental age is 15, and his actual age is 12.

Social Studies
1 answer:
SashulF [63]3 years ago
6 0

Answer:

125

Explanation:

Stern define IQ  with the formula  100 ( mental age / chronological age)

100 (15 / 12 ) = 125 with the range of 120 - 129 defined as Superior by Stanford Binet-Simon fifth edition

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