SOLUTION: PSYCHOLOGY: A person�s IQ is given by the formula IQ =(MA/CA) 100 Where MA is mental age and CA is chronological age. If 80≤IQ ≤140 F

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Question 1115575: PSYCHOLOGY: A person�s IQ is given by the formula
IQ =(MA/CA) 100
Where MA is mental age and CA is chronological age. If
80≤IQ ≤140
For a group of 12-year-old children, find the range of their mental ages.
Answer by CubeyThePenguin(3113) About Me  (Show Source):
You can put this solution on YOUR website!
CA = chronological age = 12

80 = 100(MA/12) --> MA = 9.6 (lower bound)
140 = 100(MA/12) --> MA = 16.8 (upper bound)

9.6 < MA < 16.8