An architect wants to create a rectangular sun porch in a house. He wants it to have a total area of
144 square feet, and it should be 8 feet longer than
it is wide. Find the length and width of the
rectangular garden. Round your answers to the
nearest hundredth.

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.