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Below are the IQs of individuals interested in entering the Police Academy in Puerto Rico. Instructions: 1. Identify the variable 2. Calculate the variance and standard deviation. 3. Analyze the result 1. What does the result of the variance represent? 2. What does the standard deviation result represent? 3. Is the group a heterogeneous group or a homogeneous group? What does it mean? IQ of individuals interested in entering the Police Academy of Puerto Rico '60-69 3 } 7079 1 8089 1 } 9099 '6 | 100-109 9 l110-119 '4 } 120-129 3 13o-139 1 } 140-149 |1 | 150-159 5 l Ml l