A.均值>中位數(shù)>眾數(shù) B.中位數(shù)>均值>眾數(shù) C.眾數(shù)>中位數(shù)>均值 D.眾數(shù)>均值>中位數(shù)
A.28.46 B.30.20 C.27.95 D.28.12
A.19.5433 B.381.939 C.18.5404 D.343.745