Test scores for a Statistics class have a mean of 78 with a standard deviation of 6. Suppose a student gets an 81 on that test. What is the z-score for that grade?

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asked Apr 10, 2022 201k views

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Test scores for a Statistics class have a mean of 78 with a standard deviation of 6. Suppose a student gets an 81 on that test. What is the z-score for that grade?

Mathematics
college

Shahid Tariq asked

by Shahid Tariq

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1 Answer

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Answer:

0.3209

in case you dont know A z-score tells you if the distribution it comes from is normal.

Explanation:

Amir Kadyrov answered Apr 16, 2022

by Amir Kadyrov

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