Suppose a data set has a mean 50 and standard deviation 5. If the Z-score of a data value is -2, what is the actual score?

Jim Garvin asked Dec 28, 2023

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Jim Garvin asked Dec 28, 2023

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Answer:

The Z-score is (25–50)/5 = -5. A Z-score that high in absolute value is extremely rare.

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