Mathematics, 15.12.2021 01:00 SilverTheAmarok
For the SAT nationally, the mean is 509 and the standard deviation is 103. 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 509 and the standard deviation is 103. If a school finds that th...
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