Consider the graphs below. What are the explanatory variables? A. Height, Time, Width
B. Temperature, Time, Length
C. Height, Dollars, Width
D. Temperature, Dollars, Length

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.