This week, 300 tickets were sold to the school play. This is 120 percent of the number of tickets sold last week for the school Play?

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.