Mathematics, 22.08.2019 20:40 lildanielmabien
In a sample of 200 households, the mean number of hours spent on social networking sites during the month of january was 55 hours. in a much larger study, the standard deviation was determined to be 7 hours. assume the population standard deviation is the same. what is the 99% confidence interval for the mean hours devoted to social networking in january?
Answers: 1
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In a sample of 200 households, the mean number of hours spent on social networking sites during the...
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