When Drawing a Histogram,it Is Important to

Multiple Choice

When drawing a histogram,it is important to

A) have a separate class interval for each observation to get the most informative plot.
B) make sure the heights of the bars exceed the widths of the class intervals,so that the bars are true rectangles.
C) label the vertical axis so the reader can determine the counts or percentage in each class interval.
D) make certain the mean and median are contained in the same class interval,so that the correct type of skewness can be identified.