Below are the times (in days) it takes for a sample of customers from Sarah's computer store to pay their invoices. 19,15,43,39,35,31,27,22,18,14,42,38,13,13,13,41,41,37,37,33,33,33

Draw the histogram for these data using an initial class boundary of and a class width of . Note that you can add or remove classes from the figure. Label each class with its endpoints.