A small dealership leased 21 Suburu Outbacks on 2-year leases. When the cars were returned at the end of the lease, the mileage was recorded (see below). 40,006 24, 987 14,334 17,309 44, 714 44,555 20,256 33,340 24, 287 41,755 58, 340 35, 861 25, 707 28,945 25,056 43,348 23,972 43,568 53,651 31, 834 36,737 Click here for the Excel Data File (a) Is the dealer's mean significantly greater than the national average of 29,476 miles for 2-year leases? Using the 10 percent level of significance, choose the appropriate hypothesis. (b) Calculate the test statistic. (Round your answer to 2 decimal places.) Test statistic 0.00