Below are randomly selected passenger car and taxi ages from a large city. Use the Wilcoxin Rank Sum test for independent samples to determine if the median age of a car and a taxi are different.
CARS: 4 0 8 11 14 3 4 4 3 5 8 3 3 7 4 6 6 1 8 2 15 11 4 1 6 1 8
TAXI: 8 8 0 3 8 4 3 3 6 11 7 7 6 9 5 10 8 4 3 4