Question 1:
To investigate the youth use of the Internet, a sample of 7
adults was asked to report the number of hours they spent on the
Internet during the last month. The results are listed below:
52, 87, 60, 49, 42, 61, 55
The researchers claim that the number of hours the adults spent on
the Internet exceeds 57
hours per month.
Find the point estimator of the mean (u) for the number of
hours the adults spent on the Internet per month.
Construct the 95% confidence interval for u. Report the final
answer