The sixth-grade art students are making a mosaic using tiles in the shape of right triangles. Each tile has leg measures of 5cm and 6cm. If there are 150 tiles in the mosaic, what is the area of the mosaic?

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.