How do you convert 0.67(7 repeating) to a fraction

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.

We’re gonna need a picture to refer to in order to figure it out. try reposting your question with the picture included.