Student services wants to work on its number one problem. Before deciding to hire more workers, the director decides to get some information on the waiting times students currently experience. During a week, 50 customers were randomly selected, and their waiting times (in minutes) was recorded.

The data are as follows: 18.5, 9.1, 3.1, 5.2, 1.3, 6.3, 0.5, 4.2, 5.2, 0.0, 10.8, 5.8, 1.8, 4.0, 1.5, 1.9, 6.4, 3.5, 8.5, 11.1, 1.2, 13.5, 4.4, 3.8, 5.8, 11.9, 3.6, 2.5, 7.0, 5.8, 1.5, 0.8, 4.1, 9.7, 2.6, 0.8, 1.2, 2.9, 3.0, 3.2, 2.8, 10.9, 5.9, 1.4, 5.5, 4.8, 1.6, 15.0, 9.5, 4.0, 7.5, and 2.2.

What can you infer from the data, as indicated in a histogram?