A Person S Intelligence Quotient ( I ) Is Found $I = \frac { 100 \mathrm { M } } { \mathrm { C } }$

question 224

Short Answer

A person s intelligence quotient ( I ) is found by dividing mental age ( M ), as indicated by standard tests, by chronological age ( C ) and then multiplying this ratio by 100. The formula $I = \frac { 100 \mathrm { M } } { \mathrm { C } }$ can be used. If the I range of a group of 16-year-olds is given by $68 \leq I \leq 189$ , find the range of the mental age of this group. Please enter your answer in interval notation.

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