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Algebra
Question

On a recent quiz, the class mean was \( 77 \) with...

On a recent quiz, the class mean was \( 77 \) with a standard deviation of \( 2.7 \) . Calculate the z-score (to \( 4 \) decimal places) for a person who received score of \( 82 \) . 

 

Is this unusual? 

Unusual 

Not Unusual 

Answer

z-score=1.8519

Not unusual

Solution
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