How much time (in minutes) do people spend on a typical visit to a local mall? A

Question:

How much time (in minutes) do people spend on a typical visit to a local mall? A random sample of n = 104 shoppers was timed and the results (in minutes) are stored in the data file Shopping Times.
a. Construct a histogram of these shopping times.
b. Construct a stem-and-leaf display of these shopping times.