Yesterday the temperature at noon was 25.9°F. By midnight, it had decreased by 26°F. What was the temperature at midnight?

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.