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An exam produced scores with a sample mean of 25 and a standard deviation of 2.0. a) What is the z -score for a raw

An exam produced scores with a sample mean of 25 and a standard deviation of 2.0.

a) What is thez-score for a raw score of 31?

b) What is thez-score for a raw score of 18?

c) What is the raw score forz= +.5?

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