In
a sleeping laboratory, 16 volunteers sleep an average of 7.2 hours,
with a standard deviation of...
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Ina sleeping laboratory, 16 volunteers sleep an average of 7.2 hours,with a standard deviation of 1.2 hours. What would be a 90%confidence interval estimate for the mean number of hours thatpeople sleep at the night?
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SolutionGiven that 72 Sample means 12 Sample standard deviationn 16 Sample
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