Enter the value of p so that the expression 8 + 5n is equivalent to p (4 + 2.5n)

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.

This is to hard are you sure they made you answer this?