Which of the following is equivalent to a real number? A. (-144)
B. (-1024)
C. (-1503)
D. (-196)

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.