Rewrite the following absolute value function into a piece-wise function y=1/2 | x+3 | -5

and

y=2 | x-3 | +5

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.

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