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4. A student scores a 72 on a test. The class average is 80 and the standard deviation is 4. What is the z-score?

4. A student scores a 72 on a test. The class average is 80 and the standard deviation is 4. What is the z-score? b. How did this student do in comparison to his classmates? C. What score did a student with a z-score of 1 get if the class mean is 80 and the standard deviation is 4?

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