Use the data from Exercise 11.8 and find Bonferroni-corrected intervals for all three comparisons assuming an overall confidence level of 95%, using an individual confidence level of 98.33%. Then state whether the means are significantly different based on whether the intervals capture 0 or not. Compare your conclusions with the conclusions in Exercise 11.8.
In exercise
Gas Prices: Three More Cities Random samples of gasoline prices were obtained in three more cities and are shown in the table.

Denver Houston Cleveland 2.75 2.70 2.74 2.68 2.72 2.66 2.73 2.75 2.74 2.85 2.83 2.84 3.01 2.97 2.71