A random sample of 96 tourists in Chattanooga showed that they spent an average of $2,830 (in a week) with a standard deviation of $125. A sample of 72 tourists in Orlando showed that they spent an average of $2,905 (in a week) with a standard deviation of $137. We are interested in determining if there is any significant difference between the average expenditures of all the tourists who visited the two cities. (a) Determine the degrees of freedom for this test. (Round your answer down to the nearest integer.) 165 Incorrect: Your answer is incorrect. seenKey 145 (b) Compute the test statistic. (Use Chattanooga Orlando. Round your answer to three decimal places.) Changed: Your submitted answer was incorrect. Your current answer has not been submitted. (c) Compute the p-value. (Round your answer to five decimal places.)