Question: Calculate the 80% confidence interval for the same fictional data regarding daily TV viewing habits: u= 4.7 hours; o = 1.3 hours; sample of 78

Calculate the 80% confidence interval for the same fictional data regarding daily TV viewing habits: u= 4.7 hours; o = 1.3 hours; sample of 78 people, with a mean of 4.1 hours.

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