The average score of a statistics class was 71 with a standard deviation of 10 What is the z score of a student with a grade of 68 (2 5 pts) What is the z score of a student with a grade of 80 (2 5 pts)

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The average score of a statistics class was 71 with a standard deviation of 10. What is the z score of a student with a

The average score of a statistics class was 71 with a standard deviation of 10.
1. What is the z score of a student with a grade of 68? (2.5 pts)
2. What is the z score of a student with a grade of 80? (2.5 pts)

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