22) The base of a lampshade is circular. The circumference of the base is 3 times the radius increased by 4.25 inches. Find the radius of the circular base. Round your answer to the nearest tenth.

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.