Plz help 0.3(1/4-1)+0.35 plz add ur answer as a fraction no decimal answer noo links plz

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.