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Mathematics, 09.12.2019 20:31 joslynndiggs
In a sample of 100 households, the mean number of hours spent on social networking sites during the month of january was 50 hours. in a much larger study, the standard deviation was determined to be 6 hours. assume the population standard deviation is the same. what is the 98% confidence interval for the mean hours devoted to social networking in january?
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