Eight less than four times a number is less than 56. what are the possible values of that number?
x> 12
x< 12
x< 16
x> 16

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.