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Which is better, a score of 220 on a test with a mean of 200 and a standard deviation of 21 or a score of 90 on a test with a mean of 80 and a standard deviation of 8?​

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Solaminhazel15go

A score of 90 with a mean of 80 and a standard deviation of 8 is better

the two score are statistically the same

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