14. During a flood James used two pumps to get the water out of his basement. The big pump moves 3 gallons of water per minute. The small pump moves 4 gallons in 5
minutes. How many more gallons does the big pump move than the small pump after
10 minutes?

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.