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08-07-2021
Mathematics

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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?

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mariaasla mariaasla

08-07-2021

Answer:

0.3209

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

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