Natalie bought 3 cupcakes and 2 donuts for $5.00. James bought 1 cupcake and 2 donuts for $2.40 in the same store. If all cupcakes cost the same and all donuts cost the same, how much does each donut cost?

What is the diagram u didn't post that

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.