The first three terms of a sequence are given. Round to the nearest thousandth (if necessary). 5, 9,13,...
Find the 31st term.

If the terms increase by 4 each one the 31 term will be 129.

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.