Suppose S = {-2, -1,0,1, 2} and T = {0,1,2,3,4} . Which set represents SnT?

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.