Which angles are vertical angles in the figure shown? Select two answers.
A. ∠1 and ∠2
B. ∠2 and ∠3
C. ∠5 and ∠8
D. ∠4 and ∠5
E. ∠7 and ∠8

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.