A random sample of 40 PCC students are surveyed about their commuting time. A sample mean of 24.5 minutes and a sample standard deviation of 5.8 minutes were calculated from the survey. Construct a 95% confidence interval for the average commuting time for all PCC students. Round your answer to the nearest tenth of a minute.
Give the degree of freedom:
Give the critical value: Round to three decimal digits
Calculate the Margin of Error: Round to three decimal digits
Confidence Interval: ( , )Round your answer to the nearest tenth of a minute.