Simplify 5√(72x^2) write 15^(2/5) as a radical.

Simplify 5√(72X^2 = 30x√2
Write 15^(2/5) as a radical = 5√15^

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.