A right triangle has the leg lengths of 3X and 40 and a hypotenuse of length 5X. How long are the sides?

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.