The graph shows the relationship between the amount of peanuts and the amount of chocolate in different packages of snack mix A.1/2 ounce B.2/3 ounce C.3/4 ounce D.3/2 ounce

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.