The city officials in Dallas conducted a simlar study. The commute times (in minutes) of samples of residents from each city is shown below. Click on the data buttons to open the data in a new window. Sacramento Data Dallas Data a. Construct a 96% condence interval for the difference between the mean commute times of Sacramento and Dallas residents. Critical value: 2* ortt = 2.078X9 his is not a decimal or integer value. (Enter the positive one.) Margin of Error: E = Confidence Interval: (E, E) b. Interpret your result in part (a) in a complete sentence. c. Based on your condence interval, can you conclude that there is a difference between the mean commute times of Sacramento and Dallas residents? OYes O No