Question: A physics class achieved a mean score of 82 % on a physics assessment. The physics professor believes the class has performed significantly better than

A physics class achieved a mean score of 82 % on a physics assessment. The physics professor believes the class has performed significantly better than the expected mean score of 78%

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A physics class achieved a mean score of 82 % on a physics assessment. The physics professor believes the class has performed significantly better than the expected mean score of 72%

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