Bob must swim 1/3 of a mile. He must swim six time across the pool. How long is the pool?

The major difference is that a histogram is only used to plot the frequency of score occurrences in a continuous data set that has been divided into classes, called bins.  bar charts, on the other hand, can be used for a great deal of other types ofvariables  including  ordinal  andnominal  data sets.

Patrick earns the most money per hour