Asked by Anonymous

A random sample of 20 people who resided within the u.s resulted in average viewing time of 4.76 hrs per day with a sample standard deviation of 2.297 hrs. obtain and interpret a 95% confidence interval, for the mean viewing time of all americans

confidence interval:
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Answers

Answered by PsyDAG
95% = mean ± 1.96 SEm

SEm = SD/√n

I'll let you interpret.
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