A.算術(shù)均數(shù) B.中位數(shù) C.幾何均數(shù) D.變異系數(shù) E.標(biāo)準(zhǔn)差
A.算術(shù)均數(shù) B.幾何均數(shù) C.中位數(shù) D.方差 E.百分位數(shù)
A.算術(shù)均數(shù) B.幾何均數(shù) C.中位數(shù) D.四分位數(shù) E.百分位數(shù)