A tire manufacturer has been producing tires with an average lfe expectancy of 26,000 miles. Now the company is advertising that its new tires' Ife expectancy has increased. In order to test the legitimacy of the advertising campaign, an independent testing agency tested a sample of 6 of their tires and has provided the following data. Life Expectancy (In Thousands of Miles) 28 27 25 28 29 25 At the. 01 level of significance using the critical and p-value approachs, test to determine whether or not the tire company is using legitimate advertising. Assume the population is normally distributed. Artach File