Find the sum of the two solutions in this quadratic equation 2x ^ 2 - 3x - 35 equals 0

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.