In 1991 only 238 people owned cell phones in metropolis each year cell phone use has continually grown by 86℅ how many cell phones users were there in 2002

To find the answer, you would make an equation. P = Number of people owning cell phones in metropolis during 2002

p=238*1.86^11

The answer is 219,391

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.