mathsa number that is in the middle of a set when they are arranged in order. For example, in the numbers 1, 3, 4, 8, 9, the median is 4 中位数(按顺序排列的数字集合中位于中间的数字,如1, 3, 4, 8, 9中的4)
Their incomes are far higher than the national median. 他们收入要比全国的中间数高得多。