Evaluate the following equation, when x=10

1/2x -2+2x

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.

The correct graph is the second one, with the points being at (-6,0), (2,0) and reaching down to (-2,-8)