Exhibit 10-9Twо mаjоr аutоmobile mаnufacturers have produced compact cars with the same size engines. We are interested in determining whether or not there is a significant difference in the MPG (miles per gallon) of the two brands of automobiles. A random sample of eight cars from each manufacturer is selected, and eight drivers are selected to drive each automobile for a specified distance. The following data show the results of the test. DriverManufacturer AManufacturer B 13228 22722 32627 42624 52524 62925 73128 82527Refer to Exhibit 10-9. The test statistic is