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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"
adj.
approximating the statistical norm or average or expected value; "the average income in New England is below that of the nation"; "of average height for his age"; "the mean annual rainfall"
adj.
functioning or occurring in a normal way; lacking abnormalities or deficiencies; "it's the natural thing to happen"; "natural immunity"; "a grandparent's natural affection for a grandchild"