The number of flowers sold at Yankee Stadium from 1900 to 2004 can be modeled by S = 4t2 + 3t + 4, where t is the number of
years since 1900. How many flowers were sold in 1906?

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.