When drawing a histogram, it is important to

A. eliminate the extremes to minimize the effect of skewness.
B. choose class intervals so all contain a similar number of observations.
C. make certain the mean and median are contained in the same class interval, so the correct type of skewness can be identified.
D. label the vertical axis, so the reader can determine the counts or percent in each class interval.

Question

When drawing a histogram, it is important to

A. eliminate the extremes to minimize the effect of skewness. 
B. choose class intervals so all contain a similar number of observations. 
C. make certain the mean and median are contained in the same class interval, so the correct type of skewness can be identified. 
D. label the vertical axis, so the reader can determine the counts or percent in each class interval.

anonymous · Answer

A,B,C seem wrong. D is correct.