Question: in an exam for a statistics class, the class average is 72 with a standard deviation 4.8. if a student scored 66, which of the

in an exam for a statistics class, the class average is 72 with a standard deviation 4.8. if a student scored 66, which of the following is his z-score in the class? If a student got a z-score of 3.10 in this class, which of the following is true?

a. the student is just around the average

b. compared with other students in this exam, the student didn't do well

c. compared with other students in this exam, this student did extremely well

d. there is no way to tell about the performance of this student

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