把每一组的频率逐组相加,找出包含中位数的那一组.Add the frequencies in each class to find the class that contains that centermost element.一半数值低于中位数,一半数值高于中位数.One half of its values will be found below and one half above the median.儿童发铅中位数为7.45×...
See how they hang their heads and droop, and wither.看!它们不是低着头,弯下腰, 就要枯萎了吗?Age cannot wither her.岁月并未使她的容颜减色.To see my body literally wither away before my eyes was exasperating.眼见自己的身体日渐衰弱真是让人心烦。As the leaves of autumn w...