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Joaquin scored 83 in the class with the mean 79.5 and the standard deviation 5.8, but Carie scored 58 in the class with the mean

Joaquin scored 83 in the class with the mean 79.5 and the standard deviation 5.8, but Carie scored 58 in the class with the mean 53.5 and the standard deviation 7.8. Who scored relatively better?

Joaquins z-score is

and Carries z-score is

Since Joaquins z -score

Caries z-score we conclude that

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