What is the product of 5(5x ^2+ 2x - 4)? A 25x^10 + 10x^5 – 20
B 25x^2 + 10x - 20
c 10x^2 + 7x - 9

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.