1. In a recent test of fuel efficiency, a US car manufacturer used the company's test driver and a computerto calculate mpg for their new model, hoping to use the results to advert 'se the model's efficiency. A SR5 of 20 results for a single vehicle were selected, as in the table below: 41.5 50.? 36.6 37.3 34.2 45 48 43.2 41? 422 43.2 44.6 48.4 46.4 46.8 39.2 37.3 43.5 44.3 43.3 The same vehicle was then driven by another driver and a SR8 of mpg of her results were obtained, as follows: 36.5 4:..2 37.2 35.6 30.5 40.5 40 41 42.8 39.2 Test whether there is a difference in average mpg between the 2 drivers. What is tr 38.8 4:..5 45.4 45.3 45.7Ilr 34.2 35.2 39.8 44.9 47.5 e pvalue of your result