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The following are the ages of the students on JHS: 8, 8, 11, 19, 7, 15, 9, 9, 20, 7 14. What is the valuc

The following are the ages of the students on JHS: 8, 8, 11, 19, 7, 15, 9, 9, 20, 7

14. What is the valuc of u? (2 points) A. 10.4 . 11 C. 12 D. 14.4 15. What is the value of the population variance? (2 points) . 23.43 D. 27.33 A. 21 B. 22.91 16. What is the value of o? (2 points) C. 4.84 D. 5.23 A. 4.58 B. 4.79

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