Mathematics, 17.05.2021 17:50, walkereddie580

For the SAT nationally, the mean is 501 and the standard deviation is 112. 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 501 and the standard deviation is 112. If a school finds that th...