A.算術(shù)均數(shù) B.中位數(shù) C.幾何均數(shù) D.平均數(shù) E.百分位數(shù)
A.23 B.11 C.12 D.10 E.10.5
A.算術(shù)均數(shù) B.幾何均數(shù) C.中位數(shù) D.眾數(shù) E.算術(shù)均數(shù)和中位數(shù)