Wendy is driving 45 miles per hour on an
interstate highway. She must make a quick
stop because there is an emergency vehicle
ahead. @ What is her approximate reaction
distance? 0 What is her approximate braking
distance?

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.