For his phone service, tom pays a monthly fee of $28, and he pays an additional $0.04 per minute of use. the least he has been charged in a month is $84.48. what are the possible numbers of minutes he has used his phone in a month? use m for the number of minutes, and solve your inequality for m .

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.