What is the ratio of 4 cm x 72 cm what is the ratio of 6 cm x 48 cm what is the ratio of 8 cm x 36 cm and what is the ratio of 2 cm x 144 cm

4/72 = 1/18

6/48 = 1/8

8/36 = 2/9

2/144 = 1/72

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.