4/9 rational ,irrational ,integer ,whole number ,or natural number

tell all which it is in

It is rational because it can be going forever in decimal form

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.