On a recent quiz, the class mean was 74 with a standard deviation of 4.6. Calculate the z-score (to 2 decimal places) for a person who received score of 80. z-score: Is this unusual? O Not Unusual O Unusual

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On a recent quiz, the class mean was 74 with a standard deviation of 4.6. Calculate the z-score (to 2
decimal places) for a person who received score of 80.
z-score:
Is this unusual?
O Not Unusual
O Unusual
Transcribed Image Text:On a recent quiz, the class mean was 74 with a standard deviation of 4.6. Calculate the z-score (to 2 decimal places) for a person who received score of 80. z-score: Is this unusual? O Not Unusual O Unusual
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