Ali picked three numbers out of a hat use the information to work out what numbers he picked the lowest number was 11
the range was 13
the median was 17
what were alis numbers?

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.