A.算術(shù)平均數(shù) B.幾何均數(shù) C.百分位數(shù) D.中位數(shù)
A.均值=中位數(shù)=眾數(shù) B.眾數(shù)>中位數(shù)>均值 C.中位數(shù)>均值>眾數(shù) D.均值>中位數(shù)>眾數(shù)
A.8B.13C.9.7D.10.4