A.眾數(shù) B.中位數(shù) C.標(biāo)準(zhǔn)差 D.算術(shù)平均數(shù) E.幾何平均數(shù)
A.中位數(shù) B.算術(shù)平均數(shù) C.極差 D.眾數(shù) E.幾何平均數(shù)
A.算術(shù)平均數(shù)主要適用于數(shù)值型數(shù)據(jù),但不適用于品質(zhì)數(shù)據(jù)B.算術(shù)平均數(shù)包括簡單算術(shù)平均數(shù)和加權(quán)算術(shù)平均數(shù)等C.算術(shù)平均數(shù)是按數(shù)據(jù)的大小順序或出現(xiàn)頻數(shù)的多少確定的集中趨勢的代表值D.算術(shù)平均數(shù)既適用于品質(zhì)數(shù)據(jù),也適用于數(shù)值型數(shù)據(jù)E.算術(shù)平均數(shù)是全部數(shù)據(jù)的算術(shù)平均