4. Reflect across the line y = -x. N(-4,2)→N L(-1,3) ► R(-1,2)→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.

Equatorial triangle and obtuce angle