Grace hikes 2.5 miles per hour. If she hikes for 5.5 hours, how far will she have gone? HELPPP

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.