Felicia bought three movies for $9.98 each. She also bought one movie that cost half of the total of the first three movies. What is the total amount that Felicia spent?

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.