Edgar, jack, and Katie walked around woodbury lake. Edgar walked 3/5 of the distance in an hour. Jack walked 3/4 of the distance in an hour .

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.