In the library there are 200 books. 58 of them are non-fiction. what percentage of the books are non-fiction?

58/200 is 29/100 which is 29%.
29% = Non-Fiction

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.