(noun.) the value below which 50% of the cases fall.
(adj.) relating to or situated in or extending toward the middle .
(adj.) relating to or constituting the middle value of an ordered set of values (or the average of the middle two in a set with an even number of values); 'the median value of 17, 20, and 36 is 20'; 'the median income for the year was $15,000' .
校对:卢瑟
埃尔默编辑