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Suppose the test scores of students in a class are normally distributed with a mean of 92 and a standard deviation of 3. What is the z-score for a student who scored 86 on a test? −6 −2 2 6
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Suppose the test scores of students in a class are normally distributed with a mean of 92 and a standard deviation of 3.

What is the z-score for a student who scored 86 on a test?


−6

−2

2

6

User Kandace
by
8.8k points

1 Answer

4 votes
-2 since 86-92/3 = -6/3 which is -2
User Igor Yavych
by
8.1k points
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