Question: Stats test Suppose your statistics professor reports test grades as z-scores, and you got a score of 2.20 on an exam. a) Write a sentence

Stats test Suppose your statistics professor reports test grades as z-scores, and you got a score of 2.20 on an exam.

a) Write a sentence explaining what that means.

b) Your friend got a z-score of -1. If the grades satisfy the Nearly Normal Condition, about what percent of the class scored lower than your friend?

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