A local car dealership leased 21 Ford Ranger trucks on 2-year leases. When the trucks were...

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A local car dealership leased 21 Ford Ranger trucks on 2-year leases. When the trucks were returned at the end of the lease, the mileage was recorded (see below). 40,018 24,992 14,301 33,329 24,243 41,763 25,085 43,346 23,977 17,334 44,755 58,361 35,832 43,537 53,608 44,541 20,227 25,728 31,859 28,955 36,759 Click here for the Excel Data File (a) Is the dealer's mean significantly greater than the national average of 29,643 miles for 2-year leases? Using the 10 percent level of significance, choose the appropriate hypothesis. a. H: 29,643 miles vs. H: b. H: 29,643 miles vs. H: c. H: / 29,643 miles vs. H: d. H: 29,643 miles vs. H: >29,643 miles, reject He if tcalc > 1.3250 >29,643 miles, reject He if tcalc > 1.3250 <29,643 miles, reject He if tcalc > 1.3250 >29,643 miles, reject He if tcalc> 1.3250 a Od b (b) Calculate the test statistic. (Round your answer to 2 decimal places.) Test statistic (c) The dealer's trucks show a significantly greater mean number of miles than the national average at the 10 percent level. No Yes A local car dealership leased 21 Ford Ranger trucks on 2-year leases. When the trucks were returned at the end of the lease, the mileage was recorded (see below). 40,018 24,992 14,301 33,329 24,243 41,763 25,085 43,346 23,977 17,334 44,755 58,361 35,832 43,537 53,608 44,541 20,227 25,728 31,859 28,955 36,759 Click here for the Excel Data File (a) Is the dealer's mean significantly greater than the national average of 29,643 miles for 2-year leases? Using the 10 percent level of significance, choose the appropriate hypothesis. a. H: 29,643 miles vs. H: b. H: 29,643 miles vs. H: c. H: / 29,643 miles vs. H: d. H: 29,643 miles vs. H: >29,643 miles, reject He if tcalc > 1.3250 >29,643 miles, reject He if tcalc > 1.3250 <29,643 miles, reject He if tcalc > 1.3250 >29,643 miles, reject He if tcalc> 1.3250 a Od b (b) Calculate the test statistic. (Round your answer to 2 decimal places.) Test statistic (c) The dealer's trucks show a significantly greater mean number of miles than the national average at the 10 percent level. No Yes