Acup of arborio rice (raw) weighs 7 ounces. one cup will serve 4 people. arborio rice is
purchased in 2-pound boxes for $1.99. how much would the rice cost if you were serving
20 people?

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.

Are you trying to figure out the volume?

The mode of the numbers is 29.