Henry has a reading list of 10 books that he can choose to read this week. Identify the constraint for the number of books Henry can read this week

Why was he reading in general ?

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.

The answer is part a: use