Article #3 in my ongoing series covering SQL statistic functions in Oracle Database is now up. The topic is the median:
Median is useful in typifying a data set when the data might be skewed, or in the presence of extreme outliers. For example, the U.S. Census Bureau reports median household income for states and counties so as paint a picture unskewed by the presence of, say, Bill Gates or Warren Buffet living just down the street.
To learn more, hit the link.