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Which test did isabelle perform better

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Isabelle recently took a test in both her English and her biology classes. The test in her English class had a mean of μ = 82 and a standard deviation of σ = 5.5, while the test in her biology class had a mean of 64 and a standard deviation of 18.

Compared to her peers, on which test did Isabelle perform better? Explain your answer.

Reference no: EM132413642

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