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On a recent quiz, the class mean was 77 with a standard deviation of 2.2. Calculate the z-score (to 4 decimal places) for a person

On a recent quiz, the class mean was 77 with a standard deviation of 2.2. Calculate the z-score (to 4 decimal places) for a person who received score of 84. z-score: _______________________ Is this unusual?

  • _______Unusual
  • _______Not Unusual

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