the box plot shows the number of the new vocabulary words students learned last week. what percent of the students learned between 15 and 30 words

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.

It’s either a or c as the answer.