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On a recent quiz, the class mean was 75 with a standard deviation of 2.4. Calculate the z-score (to 4 decimal places) for a person

On a recent quiz, the class mean was 75 with a standard deviation of 2.4. Calculate the z-score (to 4 decimal places) for a person who received score of 78. z-score: Is this unusual? Not Unusual O Unusual Submit

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