The width of a rectangle is 4 cm. less than the length. find the dimensions of the rectangle if the perimeter is 44 cm.

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.