Solve the equation 3x +10=40.
x=

X=40-10
X=30

Because we need x in a side and the constant numbers in the opposite side

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.