Dave has $3000 more in a passbook account than in a money market. The passbook account pays 8%, and the money market account pays
10%. How much is invested in each account if the annual interest that he
gets on the 8% investment is $80 more than the interest on the 10%
investment?

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.