A.算術(shù)均數(shù) B.幾何均數(shù) C.中位數(shù) D.變異系數(shù) E.標(biāo)準(zhǔn)差
A.算術(shù)均數(shù)>中位數(shù) B.算術(shù)均數(shù)<中位數(shù) C.算術(shù)均數(shù)≤中位數(shù) D.算術(shù)均數(shù)≥中位數(shù) E.算術(shù)均數(shù)=中位數(shù)