Confidence Interval for Time Spent on Computer Terminals
In order to estimate the average time spent on the computer terminals per student at a local university, data were collected for a sample of 81 business students over a one week period. Assume the population standard deviation is 1.8 hours. If the sample mean is 9 hours, then the 95% confidence interval is?© SolutionLibrary Inc. solutionlibary.com 9836dcf9d7 https://solutionlibrary.com/statistics/hypothesis-testing/confidence-interval-for-time-spent-on-computer-terminals-7gej
....96. So, a 95% confidence interval for the population mean ...