Below are the times (in days) it takes for a sample of 17 customers from Andrew's computer store to pay their invoices.
19, 15, 43, 39, 35, 31, 27, 22, 18, 14, 42, 26, 26, 21, 21, 21, 17
Draw the histogram for these data using an initial class boundary of 13.5, an ending class boundary of 48.5, and 5 classes of equal width. Note that you can add or remove classes from the figure. Label each class with its endpoints.