Q is equidistant from the sides of TSR. Find the value of x. T
(2x + 240°
30°
S
R

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.