A members-only speaker series allows people to join for $8 and then pay $20 for every event attended. What is the total cost for someone to attend 2 events?

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.

The right answer should be 6 but your not very specific