A.總量指標 B.相對指標 C.平均指標 D.變異指標
A.眾數(shù)<中位數(shù)<算術(shù)平均數(shù) B.算術(shù)平均數(shù)<中位數(shù)<眾數(shù) C.中位數(shù)<眾數(shù)<算術(shù)平均數(shù) D.眾數(shù)≦中位數(shù)≦算術(shù)平均數(shù)