Vehicles: Mileage Based on information from the Federal Highway Administration web site, the average annual miles per driver in the United States is 13.5 thousand miles. Assume o ~ 600 miles. Suppose that a random sample of 36 vehicles owned by residents of Chicago showed that the average mileage driven last year was 13.2 thousand miles. Would this indicate that the average miles driven per vehicle in Chicago is different from (higher or lower than) the national average? Use a 0.05 level of significance