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Mathematics, 22.06.2021 16:00 jdeelc

You are told that in a sample of size 225 the mean is 48.5 and the standard deviation is 1.8. The study is reported with 90% confidence level. Explain how to determine if 48.8 is within the confidence interval.

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You are told that in a sample of size 225 the mean is 48.5 and the standard deviation is 1.8. The st...
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