A survey of 12 sales executives was conducted. Each was asked for the number of weeks last year spent out of town on business. The data is below:
5,44,14,2,33,37,19,16,15,27,14,49
Estimate with 90% confidence the mean number of weeks out of town, assuming that the population is normally distributed with a standard deviation of 6 weeks.
Note: For each confidence interval, enter your answer in the form (Lower Bound, Upper Bound). You must include the parentheses and the comma between the confidence interval bounds.
Confidence Interval =