Twenty people enrolled in a substance abuse program. Test the claim that the ages of the people, according to the order in which they enroll, occur at random, at \(\alpha=0.05\). The data are 18, 36, 19, 22, 25, 44, 23, 27, 27, 35, 19, 43, 37, 32, 28, 43, 46, 19, 20, 22.