When I started here, there were 500 employees. Since then, we have added 35% more employees, so we now have a total of employees

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.

Hello!
volume of sphere =4/3.pi.r^3