Mathematics, 27.07.2019 05:30, caydence24

There were 324 adults surveyed. among the participants, the mean number of hours of sleep each night was 7.5 and the standard deviation was 1.6. the margin of error, assuming a 95% confidence level, is approximately . round to the nearest hundredth

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There were 324 adults surveyed. among the participants, the mean number of hours of sleep each night...