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Given the following data representing exam scores by four groups of students; explain why Group 3 would most likely have the highest individual student

Given the following data representing exam scores by four groups of students; explain why Group 3 would most likely have the highest individual student score on the exam and why Group 1 would have the smallest range of scores. Class 1 2 3 4 Mean 76 68 73 Standard Deviation 2.7 7.5 70 6.2 3.1

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