Please help me on math problem !! Very simple

75.36
The radius is 12, which means the diameter is 24
To find The circumference you multiply 3.14 by 24

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.