URGENT Carson went shopping for a new camera because of a discount sale. He multiplied the
price of the camera by 0.75 to find the price he would actually have to pay, before tax.
What percent discount is the sale?

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.

Ithink if ur looking for a ratio it would be 12: 3