The data represent the actual liquid volumnes in ounces in 24 tweleve-ounces cans
11.95, 11.91, 11.86, 11.94, 12.00, 11.93, 12.00, 11.94
12.10, 11.95, 11.99, 11.94, 11.89, 12.01, 11.99, 11.94
11.92, 11.98, 11.88, 11.94, 11.98, 11.92, 11.95, 11.93
make a frequency histogram of the data set using seven classes.