2. what is the theoretical probability that you will draw each of the following?
the green diamond card:
a number card:
a blue card:

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.