SOLUTION: A person's IQ is given by the formula IQ=MA100/CA
Where MA is mental age and CA is chronological age.if 80《IQ《140
For a group of 12-year-old children, find the ran
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Question 1113667: A person's IQ is given by the formula IQ=MA100/CA
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) (Show Source): You can put this solution on YOUR website!
This is a repeat question.
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
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