A.47.5 B.49.5 C.95 D.97 E.99
A.全距 B.標(biāo)準(zhǔn)差 C.變異系數(shù) D.四分位數(shù)間距 E.決定系數(shù)
A.3 B.4 C.12 D.13 E.14