If hari and don each have two cases of cotton candy spools and each case has 5 spoons of cotton candy inside, how many they have in total?

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.