Here are the shopping times (in minutes) for a sample of shoppers at a particular clothing store:
26, 23, 44, 41, 38, 35,31, 28, 25, 22, 43, 40, 37, 43, 40, 37, 43, 39, 39, 39, 36, 36, 33, 33, 30
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.