Michael has 6 dimes. He plans to give 5 dimes to his cousin. He can use the expression 6 - 5 to find how many dimes he will have left. Cross out integer chips to model 6 – 5. - -

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.