Mathematics, 17.05.2021 15:00, twixer29

For the SAT nationally, the mean is 502 and the standard deviation is 101. If a school finds that the mean score is 470 from a random sample of 100 seniors, can they claim that they perform at the national average?

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For the SAT nationally, the mean is 502 and the standard deviation is 101. If a school finds that th...

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