Car and Taxi Ages When the author visited Dublin, Ireland (home of Guinness Brewery employee William Gosset, who first developed the t distribution), he recorded the ages of randomly selected...

Car and Taxi Ages When the author visited Dublin, Ireland (home of Guinness Brewery employee William Gosset, who first developed the t distribution), he recorded the ages of randomly selected passenger cars and randomly selected taxis. The ages (in years) are listed below. Use a 0.05 significance level to test the claim that in Dublin, car ages and taxi ages have the same variation.

Extracted text: Car Ages 4 0 8 11 14 3 4 4 3 5 83 37 4 Taxi Ages 8 8 0 3 84 3 36 11 7 7 6 9 5 10 8 4 3 4 6 6 182 15 11 4 1 6 18