A TV store buys TV's for $250 each, and then increases the price by 120%. What is the sales price of a TV at this store?

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.

Ibelieve the answer would be b.