Apply the markup or markdown to each item and then find the retail sale price of the following items. Round to two decimal places. Question: $14.50 sunglasses; 72% markup

I just did on a calculator, I hope it helped a littler

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.