A.數(shù)據(jù)呈對數(shù)正態(tài)分布 B.數(shù)據(jù)超過1000 C.數(shù)據(jù)全為負(fù)數(shù) D.數(shù)據(jù)呈正偏態(tài)分布 E.數(shù)據(jù)中有0
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)