Rafael graphed a line that contains the points (4, –6) and (–2, 6). What is the slope of the line that he graphed?

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 answer is 109 times per second