Which expression represents the phrase below? 3 fewer than a number, p
A 3-p
Bp: 3
C 3:p
D
p-3

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.