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:
Interpert your answer:
confidence interval:
Interpert your answer:
Answers
Answered by
PsyDAG
95% = mean ± 1.96 SEm
SEm = SD/√n
I'll let you interpret.
SEm = SD/√n
I'll let you interpret.
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