Cody and his freind started playing a game at 6: 30 p. m. it took them 37 min to finish the game at what time did they finish

7:07 because 6:30 plus 30 minutes is 7:00 add another 7 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.