Sharon is 3 years old less than twice her younger brother's age. let (s) repressent sharons age and (b) repressent her brother's age. which equation could be used to show sharons age?
a: s = 3-2b
b: b = 2x-3
c: s = 2b-3
d: b = 3 -2x
e: s = 3b-2

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.