Mr. smith wishes to retire in 13 years. when he retires he would like to have $300,000 in his bank account. mr. smith's bank pays 8% per year compounded annually. how much should he deposit now to attain his goal?

I believe he would need to deposit about $67,500

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.